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  • Epoxy resin sample
    DOPO-HQ modified phenolic epoxy resin YLDP-320

    YLDP-320 is a halogen-free phosphorus flame-retardant and Solvent-free epoxy resin that exhibits excellent heat resistance, flame retardancy, dimensional stability, and chemical stability after curing. It has a low water absorption rate. This product is an environmentally friendly flame-retardant material. It is suitable for applications in halogen-free flame-retardant printed circuit boards, electronic copper-clad laminates, capacitor packaging, electrical laminate boards, carbon fiber composites and Special Coatings other product areas. Appearance Light yellow solid EEW, g/eq 300-340 Solid content, wt% MIN 99.0 Softening point, ℃ 70-85 Phosphorus content, % 3.0 Hy-CI(ppm) Max 500   Halogen-free flame retardant printed circuit boards Electronic copper-clad laminates; Electrical laminate boards Special Coatings Advanced Composite Materials   Storage in a cool and dry place. Avoid direct sunlight. All safety information is provided in the Material Safety Data Sheet.   6 months from the date of manufacture in the original sealed container at ambient temperatures.   20kg/Drum.  

  • Yolatech epoxy resin
    N,N-diglycidyl-4-glycidyloxyaniline YLSE-0500/ YLSE-0510/ YLSE-0510L

    YLSE-0500/ YLSE-0510/ YLSE-0510L, chemical name N,N-diglycidyl-4-glycidyloxyaniline are three-functional, low-viscosity epoxy resin. The molecular structure contains multiple epoxy groups and aromatic rings. During the curing process, it can form a high degree of cross-linking density and aromatic density.So they have the characteristics of fast curing, excellent solvent and corrosion resistance, excellent mechanical properties and heat resistance. They are used for electrical casting insulation products with high heat resistance grade requirements, carbon fiber and glass fiber winding, pultrusion, lamination, prepreg process molding composite material products, glass transition temperature of more than 200°C.       CAS No.:5026-74-4       YLSE-0500 YLSE-0510 YLSE-0510L Appearance Brown liquid Yellow liquid Yellow liquid EEW, g/eq 95-105 93-106 95-105 Viscosity, cps@25°C 1500-6000 400-900 500-1000 Volatiles, % Max. 1.5 Max.1.0 Max.1.0 Totol Cl, ppm - - Max. 800 Hy-Cl, ppm 2000 1000 Max. 200     Low viscosity High functionality Rapid curing High heat deflection temperatures for cured products   High-temperature resistant structural adhesive Laminated and wound formed carbon fiber and glass fiber composite materials Vacuum casting (RTM, VARTM) and automatic pressure gelation (APG) process heat-resistant epoxy resin casting materials Casting and sealing of micro-motor components Electrical insulating materials High-temperature epoxy diluent   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Epoxy resin sample
    DOPO-HQ modified phenolic epoxy resin

    There are mainly three types of DOPO modified phenolic epoxy resins ,including DOPO-HQ modified and DOPO-NQ modified and DOPO modified epoxy resin, with excellent flame retardancy, heat resistance, low toxicity and low water absorption and expansion coefficient. DOPO modified phenolic epoxy resins are halogen-free flame retardant epoxy resins, and are mainly used in the fields of halogen-free flame retardant printed circuit substrates, electronic copper-clad laminates and electrical laminates. Grade No. EEW (g/eq) Viscosity (SP/°C) Hy-Cl (ppm) YLDP-320 300-340 70-85 500 YLDP-2500 475-525 90-110 1000 YLDP-2375 350-440 85-95 1000   Halogen-free flame retardant printed circuit substrates Electronic copper-clad laminates Electrical laminates   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Epoxy resin sample
    Bisphenol A epoxy resin

    Bisphenol A liquid epoxy resin comparing with most resins, its cured product has higher adhesion strength, lower shrinkage, especially outstanding performance in mechanical strength, electrical insulation, and chemical resistance.   Grade No. EEW(g/eq) Viscosity(mPa.s) Hy-Cl(ppm) YLE-127 176-184 8000-11000 ≤ 500 YLE-128K 165-175 3500-5500 ≤ 300 YLE-128L 165-175 3500-5500 ≤ 200 YLE-128P 165-175 3500-5500 ≤ 100 YLE-128 184-190 11000-15000 ≤ 500 YLE-130K 180-190 11000-15000 ≤ 300 YLE-130L 180-190 10000-18000 ≤ 200 YLE-130P 180-190 10000-20000 ≤ 100 YLE-220L 200-230 10000-20000(40℃) ≤ 200 YLE-128R 185-220 11000-25000 ≤ 2% YLE-128S 205-240 12000-25000 ≤ 5000 YLE-134 230-270 O-U(Gardner) ≤ 5000 YLE-136 290-335 A-C(Butyl Carbitol) ≤ 5000   Adhesive Insulation Composites (Glass fiber, carbon fiber winding material) Coating Electrical and electronic industry (Potting, casting, impregnation) Civil wood bedding    Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Curing agent sample
    1,3-Benzenedimethanamine Reaction Products with Epichlorohydrin CAS 135470-04-1

    1,3-BDX is a derivative of MXDA, with good color stability and low viscosity, excellent chemical resistance, fast curing, and wet surface adhesion. It can be used directly or used in combination with other curing agents as a curing accelerator. It has good compatibility with epoxy resin, and after mixing, it has the characteristics of long initial operation time and fast curing speed in the later stage. Its products have excellent corrosion resistance and water resistance.   Appearance Clear liquid   Color, Gardner Max. 5   Viscosity, cps@25°C   7000-14000   Total Amine, mg KOH/g 650-680   MXDA content,% 24-30     Epoxy curing agents Floor coating Adhesive   Storage temperature is 5-30°C, Avoid direct sunlight and place in a cool and dry place. Avoid strong oxidants, acids. All safety information is provided in the Material Safety Data Sheet.   12 months from the date of manufacture in the original packing in ambient temperatures.   Drums; IBC tanks.   

  • Curing agent sample
    High Purity Diethylenetriamine DETA CAS 111-40-0

    DETA is a colorless to light-yellow transparent viscous liquid, which with irritating ammonia odor, flammable, strongly alkaline. Soluble in water, acetone, benzene, ether, methanol, etc., insoluble in n-heptane, corrosive to copper and its alloys. Diethylenetriamine (DETA) is an aliphatic ethylene amine with two primary and one secondary amine groups, easy to react with a variety of compounds, its derivatives have a wide range of uses. Typical application areas of DETA include chelating agents, wet-strength resins, lubricant oil additives, oil field chemicals and polyamides for resins or epoxy curing agents.         Appearance Colorless or light-yellow transparent liquid   Color,APHA Max. 20   DETA Content,% Min.99   Water content,% Max. 0.50     Epoxy curing agents, lubricant oil additives Gas purifying agent (remove CO2) Wet strength agent (paper industry, diapers)   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   195KG Drum or ISOTANK.  

  • Curing agent sample
    High Purity Dimethyldicyane DMDC CAS 6864-37-5

    Dimethyldicyane(DMDC) consists of two cyclohexyl rings connected by a methylene bridge, with two amino groups attached in the para position. This unique arrangement gives the compound several beneficial properties. The cyclohexyl rings provide rigidity and stability to the molecule. The amino groups make it highly reactive with epoxides and socyanates. And it exhibits good solubility in common solvents used in industrial processes. These properties make DMDC an ideal choice for high-performance materials where durability and resistance to harsh conditions are critical.         Item Specification Appearance Transparent liquid Color, APHA Max. 30 AHEW, g/eq 60 Purity,% Min. 99.0   Epoxy curing agents  Amine chain extender Synthesis for polyamide   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Curing agent sample
    Industrial Grade N,N-Dimethylaniline CAS 121-69-7

    N,N-Dimethylaniline, with the molecular formula C₆H₅N(CH₃)₂, is a pale yellow oily liquid. It is slightly soluble in water. With relatively stable physicochemical properties, N,N-dimethylaniline is widely used as a fundamental organic raw material for synthesizing intermediates of fine chemicals, such as pharmaceuticals, pesticides, dyes, and pigments. Additionally, it can serve as a curing agent or accelerator for epoxy resins.                Item Specification Appearance Colorless liquid Crystallizing point (dry), °C Min. 2 N,N-Dimethylaniline content, % Min. 99.5 N-Methylaniline content, % Max. 0.4 Aniline content, % Max. 0.03 Low-boiling content, % Max. 0.02 High-boiling content, % Max. 0.05 Water, % Max. 0.1   Fine chemical intermediates, Dye intermediates, Metal preservatives. Epoxy resin curing agents, curing accelerators for polyester resins, curing accelerator for epoxy. resins, polyester resins and anaerobic adhesives. Catalyst for polyurethane foam plastic,co-catalysts for the polymerization of ethylene compounds.   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   190KG Drum .  

  • Diluent sample
    Triethylene Glycol Divinyl Ether YLD-S0102

    YLD-S0102 is a colorless to pale yellow liquid with low volatility. It is an organic compound that is soluble in water and common organic solvents. Triethylene glycol divinyl ether is often used as an industrial solvent in the fields of fibers, resins, coatings, spray paints and adhesives. It is a reactive diluent for UV and peroxide curing adhesives and sealants. It is also a component of sulfur-based sealant compounds. It can be used as a crosslinker in the production of polyacrylate ion exchange resins.       Item Specification  Appearance Colorless or light yellow liquid DVE-3 Content, % Min. 98.0 Boiling Point, °C 120-126 Density, g/mL @25°C 0.99 Moisture Content, % Max. 0.20   Gel-Free Cationic Polymerization: Enables complete conversion (up to 100%) without gelation, ensuring predictable and controlled network formation—a unique advantage over conventional divinyl ethers. Exceptional Reactivity: Achieves rapid cure with low shrinkage and high double-bond conversion in photoinitiated cationic and dual-cure systems. Superior Hydrogel Performance: Produces larger gel fractions and more homogeneous networks compared to conventional crosslinkers (e.g., MBA), with excellent mechanical properties. Dual-Cure Versatility: Compatible with both cationic and free-radical polymerization mechanisms.   Advanced Polymer Synthesis: Comonomer and crosslinking agent for specialty polymers, including polyacrylate ion exchange resins and polyvinyl ether copolymers. Hydrogels & Biomedical Materials: Crosslinker for hydrogels used in drug delivery, tissue engineering, and water purification; low toxicity makes it preferable to alternatives like MBA.. Lithium-Ion Batteries: Component in gel polymer electrolytes, improving ionic conductivity and mechanical integrity. Polymer Modification: Modifier to enhance hydrophilicity, flexibility, toughness, and processability in coatings, finishes, and lubricant additives.   Storage in a cool and dry place, Avoid direct sunlight. All safety information is provided in the Material Safety Data Sheet.   12 months from the date of manufacture in the original packing in ambient temperatures.   Drums.  

  • Diluent sample
    Diethylene Glycol Divinyl Ether YLD-S0101

    YLD-S0101 is a low-viscosity, highly reactive di-functional vinyl ether monomer. The double bonds in its molecular structure give it rapid curing properties, while the flexible ether chains significantly improve the flexibility and hydrophilicity of the material. It can be used as an active diluent, crosslinking monomer or modifier and is widely applied in light-curing, UV-curing systems, coatings and adhesives to regulate the viscosity of the system and enhance the comprehensive performance of the cured product.       Item Specification  Appearance Colorless transparent liquid liquid Color, APHA Max. 50 Purity, % Min. 99.0 Water, % Max. 0.5   High Reactivity: The presence of two electron-rich vinyl ether groups enables rapid cationic and radical polymerization, as well as efficient participation in thiol-ene click chemistry and other crosslinking reactions. Efficient Crosslinker: As a difunctional monomer, it serves as an effective crosslinking agent, significantly enhancing the mechanical strength, thermal stability, and chemical resistance of cured polymer networks. Reactive Diluent: Its low viscosity makes it an ideal reactive diluent for reducing system viscosity in coatings, adhesives, and composites without compromising final performance, improving substrate wetting and leveling properties. Versatile Curing Options: Compatible with UV-curable and peroxide-initiated curing systems, enabling rapid cure cycles and increased production throughput. Performance Tunability: The flexible ether-oxy linkage imparts desirable hydrophilicity and flexibility to the final polymer matrix, allowing formulators to tailor the balance between hydrophilicity/hydrophobicity and rigidity/flexibility. Low Volatility: Compared to many other reactive monomers, it exhibits relatively low vapor pressure, contributing to safer handling and processing conditions.   UV-Curable Systems: A key component in UV-curable coatings, printing inks, and adhesives, providing fast cure response, excellent adhesion to various substrates (metal, glass, plastics), and good film flexibility. Adhesives & Sealants: Used as a crosslinker or reactive diluent in structural and pressure-sensitive adhesives, improving adhesion strength, flexibility, and chemical resistance. Polymer Synthesis Intermediate: Serves as a critical raw material for the synthesis of specialty polymers, functional materials, as well as intermediates for pharmaceuticals, agrochemicals, and specialty dyes. Hydrogels & Biomedical Materials: Employed in the preparation of hydrogels for biomedical applications, drug delivery systems, and tissue engineering scaffolds due to its biocompatibility and hydrophilic nature.   Storage in a cool and dry place, Avoid direct sunlight. All safety information is provided in the Material Safety Data Sheet.   12 months from the date of manufacture in the original packing in ambient temperatures.   Drums.  

  • Diluent sample
    High-Flexibility Cardanol Diglycidyl Ether YLD-9016

    YLD-9016 is a cashew oil modified epoxy glycidyl ether. It possesses bifunctional epoxy active groups and is characterized by low viscosity, high reactivity, good flexibility, stable properties, and excellent water resistance. YLD-9016 is derived from plant extracts and features green, eco-friendly, renewable, and non-toxic characteristics. It serves as a non-toxic alternative to glycidyl ethers such as AGE and BGE. As an epoxy diluent it can be widely used in high-solids and solvent-free coating systems, as well as in fields such as composites and adhesives. It can also be applied to the surface alkylation modification of silica and titanium dioxide.     Item Specification  Appearance Light yellowish brown liquid Color, G  Max. 12 EEW, g/eq 250-330 Viscosity, mpa.s 25°C 60-150 Non-volatile, % Min. 99.7   Excellent dilution power in epoxy systems, Excellent water resistance. Good hardness development at room and low temperatures. Excellent mechanical properties in coatings and adhesives.     As a viscosity reducer and toughening agent in composite materials and adhesives. Viscosity reducer in high solid and solvent-free coating systems to reduce VOC emissions. High bio-content alternative to petro-based mono and difunctional diluents (e.g., 1,6-hexanediol diglycidyl ether and 1,4 -butanediol diglycidyl ether) and epoxy modifiers.   Storage in a cool and dry place, Avoid direct sunlight. All safety information is provided in the Material Safety Data Sheet.     12 months from the date of manufacture in the original packing in ambient temperatures.   200KG Drum.  

  • Diluent sample
    Low-Viscosity Enhanced Cardanol Diglycidyl Ether YLD-9014A

    YLD-9014A is a cashew oil modified epoxy difunctional glycidyl ether. It incorporates both flexible and rigid segments, achieving an excellent balance among the film's flexibility, impact resistance, and hardness. It can be used in conjunction with conventional epoxy resins or as a standalone material. While maintaining film rigidity, it enhances the toughness and water resistance of coatings and adhesives. Derived from plant extracts, YLD-9014A is green, eco-friendly, renewable, and non-toxic. It features low viscosity, high reactivity, good flexibility, and stable properties, making it suitable for use as an epoxy resin modifier or as a standalone epoxy resin.   Item Specification  Appearance Reddish Brown liquid Color, G  Max. 18 EEW, g/eq 200-270 Viscosity, mpa.s 25°C 1000-3000 Water, % Max. 0.2   High Bio-content, Improved bond strength. Outstanding water resistance.Surface tolerance (moisture, oil and etc.). Enhanced flexibility and toughness.     As a viscosity reducer and toughening agent in composite materials and adhesives. Viscosity reducer in high solid and solvent-free coating systems to reduce VOC emissions. Can be used to prepare amine adducts.   Storage in a cool and dry place, Avoid direct sunlight. All safety information is provided in the Material Safety Data Sheet.   12 months from the date of manufacture in the original packing in ambient temperatures.   200KG Drum.  

  • Functional chemical sample
    Diallyl bisphenol A CAS 1745-89-7

    DBA is mainly used in the modification of bismaleimide resin (Bismaleimide abbreviated as BMI), which can greatly reduce the application cost of BMI resin by improving the operability and processability of BMI resin. DBA also can improve the toughness, heat resistance and mouldability of BMI resin. And DBA can be used as epoxy resin active toughening agent.     Item Specification Appearance Light yellow viscous liquid Purity, % Min. 96   Electrical insulating materials Wear-resistant materials Aerospace structural materials Used as antioxidant for rubber Used in the synthesis of modified epoxy resin   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Functional chemical sample
    Bisphenol A diallyl ether CAS 3739-67-1

    Bisphenol A diallyl ether has a wide range of applications in organic synthesis, coatings, adhesives and resins. It is also used in the preparation of specific classes of rubber and plastics. It is used in high-end applications including adhesives for semiconductor wafer surfaces, photoresist materials, silicone rubber modifiers, impact resistant prepreg blanks, molding of fibre-reinforced structural components, hybrid materials for high temperature and chemical resistance, high temperature coating, waterproofing, corrosion protection.     Item Specification Appearance Colorless to light yellow viscous liquid Purity, % Min. 98   Epoxy resin crosslinking agent High temperature resistant materials Corrosion-resistant materials   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Functional chemical sample
    2-Allylphenol CAS 1745-81-9

    2-Allylphenol is mainly used as a modifier for BMI or epoxy or as a reactive diluent for low viscosity resins in the RTM process, and as an intermediate in organic synthesis.               Item Specification Appearance Colorless to light yellow liquid Purity, % Min. 96   Epoxy resin reactive diluent  Intermediate in organic synthesis   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

  • Functional chemical sample
    Glycidyl methacrylate CAS 106-91-2

    As Glycidyl methacrylate it contains both carbon-carbon double bond and epoxy group in its molecule, it can carry out both free radical type reaction and ionic type reaction. Therefore, it has high reactivity and is an important fine chemical material.             Item Specification Appearance Colorless transparent liquid Purity, % Min. 99 Acid value, mgKOH/g Max. 0.05 Water, % Max. 0.1   Used in powder coatings and adhesives Used as functional monomer Used as synthesis and modification of polymer materials   Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet.   At least 12 months from the date of manufacture in the original packing in ambient temperatures.   Drum package.  

ABOUT Yolatech

Professional Service from Yolatech

Yolatech is a comprehensive enterprise integrating R&D, production and sales, warehousing and logistics. Yolatech has its own manufacture plants and independent import and export rights as well as complete and scientific quality management system. Over the years, we have been committed to the introduction and promotion of epoxy resins and hardener and diluents and other functional chemicals in the field of marine, construction, automotive, aerospace, electronics and various manufacturing industries. Based on years of understanding and accumulation of industry and customer needs, and through good domestic and international supply and sales channels, and mutual cooperation with many famous companies in the world. We established long-term and stable partnerships with enterprises in the United States, Germany, Italy, Australia, Austria, the Netherlands, South Korea, Japan, Thailand and other countries and regions. Yolatech has become a global "one-stop sourcing and technical solution" service provider for worldwide customers. We have a certain comprehensive value-added and competition ability. We believe that "only professional teams will be the leading ones". We continue to explore new technologies, create new products, and strive to develop into an expert service system. And your trust and partnership will be really appreciated.
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Yolatech attended the 27th Epoxy Resin Conference in Xiantao, Hubei Province, China, held from 21 to 24 October 2026. The full name is the 27th Epoxy Resin Application Technology Academic Exchange Conference, run by the epoxy branch of the China Synthetic Resin Association, a body founded in 1984. What the 27th Epoxy Resin Conference Covered This is a working meeting rather than a trade fair: reports run back to back in one hall, so a delegate hears every paper instead of choosing a track. Proceedings are printed, and a display area outside the hall carries raw materials and test equipment. The 2026 theme was Move with Innovation, Last on Quality. Papers covered specialty epoxy resins, curing agents and additives, then the sectors that consume them: adhesives, electrical insulation, coatings, wind and new energy, aerospace and rail, and communications hardware. Table 1. The 27th Epoxy Resin Conference at a glance Item Detail Meeting 27th Epoxy Resin Application Technology Academic Exchange Conference Theme Move with Innovation, Last on Quality Dates 21 to 24 October 2026, registration on 21 October Location Xiantao, Hubei Province, China Host Epoxy Resin Branch, China Synthetic Resin Association Organiser Hubei Greenhome Materials Technology, Inc. Programme 23 scheduled report slots on 22 and 23 October, branch committee meeting on 21 October, plant visit on 23 October Format Plenary reports, technical reports, printed proceedings, product and technology display area Figure 1. The single plenary hall in Xiantao, where the report slots ran without parallel sessions. Bridge Deck Numbers Behind Epoxy Asphalt Demand The paper that drew the most note-taking was a thirty-year review of epoxy resin modified asphalt for bridge deck surfacing, by Hang Longcheng. It put the installed base on the screen instead of arguing the case for the technology. Four figures carry it. China has 87,900 km of medium and large bridges in service, roughly 880 to 1,050 million square metres of deck. Epoxy modified binder use sits at 65,000 tonnes a year, deck and steel deck combined, growing 15 to 20 percent a year. Table 2. Deck paving figures presented at the conference, 22 October 2026 Metric Figure Basis given in the report Bridges in service 8,790.71 万米, about 87,900 km Medium and large bridges, total deck area about 880 to 1,050 million sq m Epoxy modified binder 65,000 t/yr Deck and steel deck combined, growing 15 to 20 % a year Epoxy asphalt laid 5.0 million sq m/yr Against 140 million sq m of routine deck resurfacing a year New steel deck 4.5 million sq m/yr 30,000 to 33,000 new bridges a year, 4 % of them steel deck The mechanism explains why the binder figure matters more than the area. Epoxy asphalt is a thermoset, so the cured surfacing holds stiffness at summer deck temperatures where conventional asphalt ruts, and it bonds to an orthotropic steel deck that flexes under every axle. Pot life and viscosity bound the laying window. Figure 2. Deck paving data on screen during the bridge deck review, 22 October 2026. Three Threads That Touch Our Product Lines Reactive diluents carried a full slot, with Zhu Xinbao of Nanjing Forestry University reviewing progress and direction in the chemistry. The question underneath is the one buyers put to us: how much diluent a system tolerates before toughness and glass transition pay for the viscosity drop. Our reactive diluent range is built around that trade-off, from monofunctional glycidyl ethers to the C12-C14 alkyl grade YLD-7003 at 294 to 313 g/eq. Amine hardeners came at the same problem three ways: a benzyl-modified amine synthesis from the host company's technical manager, a specialty amine paper from Wanhua Chemical, and a polyamide built on tung oil methyl ester dimer. Cure speed and wet adhesion at low temperature were the recurring targets, the ground our modified amine curing agents are formulated on. Anhydride systems produced the most quantitative paper. Zhang Jianlin examined how the trans isomer content of methyl tetrahydrophthalic anhydride shifts thermal, mechanical and electrical insulation results under different accelerators, a specification question for an electrical part rather than a preference. That is why assay and isomer data are published for MHHPA, CAS 25550-51-0. Two papers pointed forward. Adhesives for humanoid robots and low-altitude aircraft ask for the same resin family at a different balance of toughness, thermal cycling and weight. Degradable epoxy resin, designed to come apart at end of life, is still a laboratory result, but it shared a programme with bridge deck paving. Table 3. Conference threads mapped to our product lines Conference thread What it decides in a formulation Where it maps in our range Reactive diluent design Viscosity against toughness and glass transition Monofunctional, difunctional and polyfunctional diluents Benzyl and specialty amines Cure speed and adhesion at low temperature Modified amine hardeners quoted by AHEW MTHPA isomer content Thermal, mechanical and insulation results of anhydride cures MHHPA with assay and isomer data Epoxy asphalt deck paving Pot life, deck adhesion and fatigue under traffic Liquid bisphenol A epoxy resin with amine hardener Civil engineering adhesives Declared strength and durability data Polyetheramine D-230 for room-temperature cure What an Overseas Buyer Can Take From It The epoxy resin conference in Hubei looks local, and the deck figures describe a domestic market. It travels because the cost curve for epoxy asphalt, and for the diluents and hardeners behind it, gets set where the volume is. The second reason is standards. A session covered the Chinese civil engineering adhesive standards in force from 2026 and those still in development, including what a supplier must declare on strength and durability. Buyers outside China meet those clauses in tender documents, because the contractors who build the decks export the method. Details of the grades in Table 3, with TDS and AHEW or EEW against each, are available on request, and our page on epoxy resin in civil engineering and construction sets out how resin, hardener and diluent are matched for deck, grouting and structural adhesive work. Send a target viscosity, EEW or AHEW and we will quote the nearest production grade.
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  • 26 2026-10
    Aromatic Glycidyl Ether: YLD-6001, 6002, 6004

    Aromatic glycidyl ether is a mono-epoxide reactive diluent in which one glycidyl group is bonded to a phenol-derived ring. Yolatech supplies three grades of aromatic glycidyl ether: YLD-6001 (phenyl, CAS 122-60-1), YLD-6002 (o-cresyl, CAS 2210-79-9) and YLD-6004 (4-tert-butylphenyl, CAS 3101-60-8). How an Aromatic Glycidyl Ether Lowers Viscosity Each molecule carries one epoxy group, which reacts into the network instead of migrating out as an unreacted plasticiser would, so the viscosity drop is permanent. The YLD-6001 page states 2–8 mPa·s at 25 °C, low enough to thin a bisphenol A resin of 11000–15000 mPa·s at moderate loading. With one epoxide per molecule the diluent also acts as a chain terminator, so dosage trades viscosity against crosslink density. The published epoxy equivalent tracks that trade-off: 165–205 g/eq for YLD-6002, 220–250 g/eq for YLD-6004. Published Specifications of the Three Grades Table 1. Values as published on the three product pages; an entry absent from the page is marked not stated. Water is limited to 0.1 % maximum on all three grades. Grade CAS No. Viscosity, mPa·s at 25 °C EEW, g/eq Color, APHA Hydrolyzable chloride YLD-6001 122-60-1 2–8 not stated max. 50 not stated YLD-6002 2210-79-9 4–10 165–205 max. 80 max. 0.6 % YLD-6004 3101-60-8 15–35 220–250 max. 60 max. 0.5 % The YLD-6001 page publishes purity (minimum 98 %) instead of an epoxy equivalent. A calculated 150 g/eq follows from C9H10O2, molecular weight 150.17, and one epoxide per molecule; that value is theoretical and should be confirmed against the TDS. Inorganic chlorine is capped at 20 mg/kg on YLD-6002 and YLD-6004. Dosage Calculated on the Bisphenol A Side Dosage is set on the resin side. With YLH-9101 at AHEW 92 g/eq and YLE-128 at EEW 184–190 g/eq, the published recommendation is 48 phr, matching 100 × 92 ÷ 190 = 48.4. A monofunctional diluent shifts the mixed epoxy equivalent, and the dosage follows. Table 2. Theoretical dosage for 100 parts YLE-128 with 15 parts diluent, calculated as 100 × AHEW ÷ mixed EEW. Blend Mixed EEW, g/eq YLH-9101, phr YLE-128 alone 190 48 + 15 YLD-6002 189 49 + 15 YLD-6004 195 47 At 15 phr the cresyl grade leaves dosage essentially unchanged, since its epoxy equivalent sits close to that of the base resin; the tert-butyl grade raises the mixed equivalent and lowers the requirement to 47 phr. A titration on the production batch remains the reference. Selection Notes and Next Step YLD-6001 gives the lowest viscosity and the strongest dilution per part, but its page publishes no epoxy equivalent. YLD-6002 pairs fast dilution with an equivalent close to a standard bisphenol A resin, which keeps stoichiometry stable. YLD-6004 has the highest viscosity and equivalent, suiting systems where extractable content matters more than thinning power. A comparison at 10 and 20 phr on the target resin settles the choice faster than datasheet arithmetic. Sample and TDS requests for this line can be placed through the YLD-6002 grade page.

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  • Glycidyl Methacrylate GMA: CAS 106-91-2 Data Sheet
    15 2026-10
    Glycidyl Methacrylate GMA: CAS 106-91-2 Data Sheet

    Glycidyl methacrylate (GMA, CAS 106-91-2) is a colorless transparent monomer that carries an epoxy group and a methacrylate double bond in one molecule. The published specification lists a minimum purity of 99 %, acid value max. 0.05 mgKOH/g and water max. 0.1 %, and it is supplied in drum packing. Why Glycidyl Methacrylate Reacts by Two Routes The product page states that the molecule holds both a carbon-carbon double bond and an epoxy group, so it can take part in free-radical reactions and ionic reactions. That dual reactivity is why the grade is classed as a functional monomer. The methacrylate double bond copolymerises with acrylic and vinyl monomers under free-radical initiation. The epoxy ring opens against carboxylic acids, amines and anhydrides by an ionic route. One molecule can therefore build the backbone through one site and crosslink through the other. Two limits protect the epoxy group in storage. Acid value is capped at 0.05 mgKOH/g, which keeps free acid low, and water is capped at 0.1 %, since moisture consumes epoxy functionality. Published Specification for Glycidyl Methacrylate Table 1. Specification published on the glycidyl methacrylate product page. Item Specification CAS No.106-91-2 AppearanceColorless transparent liquid Purity, %Min. 99 Acid value, mgKOH/gMax. 0.05 Water, %Max. 0.1 SolubilityInsoluble in water; soluble in most organic solvents Shelf lifeAt least 12 months in original packing PackageDrum The page does not publish epoxy equivalent weight or viscosity. A theoretical epoxy equivalent weight of about 142 g/eq follows from the molecular formula C7H10O3 at one epoxy group per molecule. That figure is calculated, not measured; confirm it against our TDS before any stoichiometric calculation. Typical Addition Levels Table 2. Typical addition ranges by application; no recommended loading is stated on the product page. Application Typical addition Dominant route Powder coating binder5–15 % of the monomer chargeFree-radical copolymerisation Adhesive and sealant5–20 phr on the base resinEpoxy ring opening Polymer modification and grafting2–10 % by weight of the base polymerFree-radical grafting These are application ranges, not published specifications, and are given for reference. Loading is bounded by the epoxy content needed for crosslinking and by the exotherm of the methacrylate route, so confirm the level against the TDS before scale-up. Handling, Storage and Next Step The published handling note calls for a well-ventilated store away from flames and direct sunlight, with the cap closed tightly after each use. Shelf life is stated as at least 12 months from the date of manufacture in the original packing at ambient temperature. Safety data are given in the MSDS. Choose glycidyl methacrylate where one molecule must supply a polymerisable double bond and a curable epoxy group. In a conventional formulation it is dosed as a modifier into a base resin such as bisphenol A epoxy resin. The coating and adhesive routes are set out in the notes on epoxy resin coatings and epoxy resin adhesives. Send the base resin grade and the target cure profile, and Yolatech will confirm the addition level. Start from the glycidyl methacrylate GMA specification.

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  • Reactive Diluent Dosage in Epoxy Adhesive
    11 2026-10
    Reactive Diluent Dosage in Epoxy Adhesive

    Reactive diluent dosage in epoxy adhesive is not a free parameter you can set by feel. Every 10 phr you add shifts the mix viscosity, the epoxy equivalent weight, and the hardener ratio at once. Yolatech supplies two diluents for this work: YLD-6009 and YLD-6021. Both stay reactive inside the film. Two Diluents, Opposite Effects on Ratio Product Chemistry CAS EEW (g/eq) Viscosity @25 °C (mPa·s) YLD-6009Neopentyl glycol diglycidyl ether (difunctional)17557-23-2136–14810–25 YLD-6021Benzyl glycidyl ether (monofunctional)89616-40-0208–2282–8 YLD-6009 carries two epoxy groups and an EEW of 136–148 g/eq, lower than a standard bisphenol A resin at roughly 180 g/eq. YLD-6021 is monofunctional with an EEW of 208–228 g/eq, higher than the base resin. That difference decides which direction your hardener ratio moves. What Reactive Diluent Dosage Does to the Hardener Ratio Take 90 parts of a base resin at EEW 180 and 10 parts diluent, cured with DACH at AHEW 28.5 g/eq. With YLD-6009 the blend EEW is 100 ÷ (90 ÷ 180 + 10 ÷ 142) = 175 g/eq. DACH requirement becomes 28.5 ÷ 175 × 100 = 16.3 phr, up from 15.8 phr for the undiluted resin. With YLD-6021 the blend EEW is 100 ÷ (90 ÷ 180 + 10 ÷ 218) = 183 g/eq. DACH requirement drops to 15.6 phr. So the same 10 phr of diluent moves the required hardener in opposite directions. Formulators who dose diluent by feel and never recalculate end up with either unreacted epoxy or free amine, and both show up later as a joint that softens in humid service. How Much Is Too Much Viscosity falls steeply at first. Going from 0 to 10 phr of YLD-6021 typically takes a standard laminating resin from around 10,000 mPa·s down to workable spreadable range, and past that the curve flattens — you pay in heat deflection temperature for very little further thinning. Practical ceilings are 15 phr for monofunctional grades and 25 phr for difunctional ones. Past that, reactive diluent dosage costs more heat deflection temperature than it buys back in flow. YLD-6009 is the better choice when you cannot afford to lose crosslink density, because its two epoxy groups re-enter the network rather than capping it. Working It Out for Your Formulation Set the target viscosity first, pick the diluent type second, then recalculate the hardener ratio from the blended EEW. Doing it in that order keeps the adhesive's mechanical properties where you designed them. Neopentyl glycol diglycidyl ether YLD-6009 — specification, and benzyl glycidyl ether YLD-6021. Send us your base resin EEW and target viscosity and we will work the dosage out with you.

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