jER™ Epoxy
jER™ is an epoxy resin brand with the longest history in Japan. Based on decades of research and accumulated technology, we are offering a wide range of epoxy resin grades with characteristic properties, such as low chlorine, low viscosity, transparency, flexibility, photo-curability, high molecular weight type, and specialized molecular structure type, to meet diverse needs of our customers.
*jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group
The Mitsubishi Chemical Group
jER™ YX7105
Polymer Name: Epoxy Resins & Compounds
Function: Impact Modifier, Coupling Agent, Binder, Adhesion Promoter
Chemical Family: Epoxy & Epoxy Derivatives
Compatible Substrates & Surfaces: Concrete, Glass, Fibers & Fabrics, Metal, Plastics, Steel, Aluminum, Ceramic
jER™ YX7105 is a liquid-type epoxy resin with toughness, flexibility, and high stretchability. It is used as an impact modifier for semiconductor, printed electronics and wearable devices to avoid bending and warpage. jER™ YX7105 is an adduct formed from the reaction of epichlorohydrin and an aliphatic and aromatic polyol.FeaturesExcellent adhesionGood toughnessGood mechanical, impact and crack resistanceExcellent elasticity and flexibilityApplicationsPrinted electronics (resist ink, build-up wire board, flexible printed wire board, metal core printed circuit board)Semiconductor manufacturing (liquid mold compound, underfill, sidefill, diebonding, ACF, NCF, ACP, NCP)Base film and sheet for wearable devicesCoatingsAdhesives *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ YX8000D
Polymer Name: Epoxy Resins & Compounds
Function: Coupling Agent, Binder, Adhesion Promoter
Chemical Family: Bisphenol Epoxy Resins, Epoxy & Epoxy Derivatives, Bisphenol A Type Epoxy
End Uses: Semiconductor Applications, Radiation Curable Coating
Compatible Substrates & Surfaces: Glass, Steel, Plastics, Concrete, Fibers & Fabrics, Ceramic, Metal, Aluminum
Features: UV Curable, Radiation Curable, LED-curable, Faster Cure Time, Low Chlorine Content, Fast Cure, Transparency, Excellent Adhesion
jER™ YX8000D is a hydrogenated bisphenol A-type liquid epoxy resin with significantly lower chlorine impurity levels than other commercially available products. It can be used for wide variety of optical adhesives and encapsulants.FeaturesExcellent adhesionFast cure timeLow chlorine contentExcellent transparencyLED-curableUV-curableApplicationsConsumer appliances and electronicsElectrical and electronic displaysElectronics adhesivesPotting compoundsSemiconductor manufacturingLEDs*jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ 4250
Polymer Name: Epoxy Resins & Compounds
Function: Coupling Agent, Plasticizer, Binder, Adhesion Promoter, Impact Modifier
Chemical Family: Epoxy & Epoxy Derivatives
Compatible Substrates & Surfaces: Concrete, Metal, Aluminum, Glass, Fibers & Fabrics, Steel, Plastics, Ceramic
jER™ 4250 is a hybrid bisphenol A/bisphenol F-type epoxy resin that is more flexible than conventional polymer-type epoxy resins. It can be used as an additive to add toughness, insulating and vapor barrier properties and resistance to heat, water and chemicals to a variety of applications. FeaturesPolymer-type epoxy resin with epoxy functional groups at the both endsHigh molecular weightHigh softening points Good adhesionApplicationsPCM, CAN and other coatingsPaintThermoplastics Printed electronics Plastic processing *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ YL980
Polymer Name: Epoxy Resins & Compounds
Function: Binder, Adhesion Promoter, Coupling Agent
Chemical Family: Epoxy & Epoxy Derivatives, Bisphenol A Type Epoxy, Bisphenol Epoxy Resins
End Uses: Underfill, Semiconductor Applications
Compatible Substrates & Surfaces: Concrete, Metal, Aluminum, Glass, Steel, Plastics, Fibers & Fabrics, Ceramic
Features: Heat Resistance, Reduced Wear, Improved Dimensional Stability, Water Resistant, Good Mechanical Properties, Good Electrical Properties, Abrasion Resistance, Flame Retardant, Chemical Resistant, Electrically Insulating, Low Chlorine Content, Water Resistance, Chemical Resistance, Improved Flexibility, Excellent Electrical Insulation
jER™ YL980 is is a Bisphenol A-type liquid epoxy resin with very low chlorine content. It can be used for electrical and electronic applications (Sealant, casting agent, adhesives, and so on). Benefits Excellent adhesiveness Maintains high electrical reliability Features Chemical, heat and water resistant Electrical insulating properties Significantly low chlorine content (below 500 ppm) Applications Electrical and electronic applications Potting & encapsulation materials Adhesives *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ Epoxy YX7110
Polymer Name: Epoxy Resins & Compounds
Function: Impact Modifier, Binder, Coupling Agent, Adhesion Promoter
Chemical Family: Epoxy & Epoxy Derivatives
jER™ YX7110 is a tough and flexible liquid-type epoxy resin. It can be used as an impact modifier for brittle materials, as an additive to increase impact resistance, and for stress relaxation to avoid cracking and warpage. jER™ YX7110 is an adduct formed from the reaction of epichlorohydrin and an aliphatic and aromatic polyol. Features Adduct formed from the reaction of epichlorohydrin and an aliphatic and aromatic polyol Crack and impact resistance Excellent flexibility and elasticity High viscosity Low warpage Maintains flexibility even after full-curing Applications Coatings Adhesives Composites Potting and encapsulation materials Base film/sheet for wearable devices *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ YX4000
Polymer Name: Epoxy Resins & Compounds
Function: Coupling Agent, Binder, Adhesion Promoter
Chemical Family: Epoxy & Epoxy Derivatives
Compatible Substrates & Surfaces: Concrete, Glass, Fibers & Fabrics, Metal, Steel, Plastics, Aluminum, Ceramic
jER™ YX4000 is a biphenol-type solid epoxy resin with significantly low melt viscosity, low water absorption and a good balance between adhesiveness and rigidity against stress. It can be used for electrical and electronic applications. jERTM YX4000 is an adduct formed from the reaction of epichlorohydrin and tetramethylbiphenol FeaturesAbrasion, heat and water resistanceElectrical insulationWear resistanceProduct HighlightsSignificantly low melt viscosity (melting point: 108°C)Low chroline contentLow water absorption ApplicationsElectrical and electronic applications (EMC, solder resist, PCB)Potting and encapsulation materialsPowder coatings for ship bottomsAdhesivesComposites *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ YX8040
Polymer Name: Epoxy Resins & Compounds
Function: Binder, Coupling Agent, Adhesion Promoter
Chemical Family: Epoxy & Epoxy Derivatives
Labeling Claims: High Purity
jER™ YX8040 is a hydrogenated bisphenol A-type solid epoxy resin, with high molecular weight. It can be used for optical materials such as LED encapsulants and adhesives for displays.FeaturesHigh purityTransparencyLED-curableUV-curable *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ YX8800
Polymer Name: Epoxy Resins & Compounds
Function: Coupling Agent, Flame Retardant, Binder, Adhesion Promoter
Chemical Family: Epoxy & Epoxy Derivatives
Compatible Substrates & Surfaces: Concrete, Glass, Fibers & Fabrics, Metal, Steel, Plastics, Aluminum, Ceramic
jER™ YX8800 is an anthracene-type epoxy resin with significantly low melt viscosity, high Tg and low-CTE. It can be used for electrical and electronic applications, carbon fiber reinforced polymers (CFRP) and other applications that require flame retardancy. jER™ YX8800 is an adduct formed from the reaction of epichlorohydrin and 1,4-dihydro-9,10-anthracenediol. BenefitsHigh flame retardancyWell-balanced mechanical properiesHigh electrical reliability FeaturesAbrasion, heat and water resistanceElectrical insulationGood thermal stabilityHigh glass tansition temperatureLow CLTESignificantly low melt viscosity (melting point: 107°C)Low chroline contentApplicationsElectrical and electronic applications (EMC, solder resist, PCB)Potting and encapsulation materials.Powder coatingsAdhesivesComposites *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
The Mitsubishi Chemical Group
jER™ 1256
Polymer Name: Epoxy Resins & Compounds
Function: Coupling Agent, Plasticizer, Binder, Adhesion Promoter, Impact Modifier
Chemical Family: Epoxy & Epoxy Derivatives, Bisphenol A Type Epoxy
Compatible Substrates & Surfaces: Concrete, Metal, Aluminum, Glass, Fibers & Fabrics, Plastics, Steel, Ceramic
jER™ 1256 is a solid epoxy resin produced from Bisphenol A epoxy resin. It is a polymer-type epoxy resin with epoxy functional group at the both ends. It can be used to add toughness, insulating and vapor barrier properties, and resistance to heat, water and chemicals in a variety of applications. FeaturesHigh molecular weightHigh softening pointsGood film formerHydrolysis resistanceFlexibilityStrong adhesionApplicationsPCM, CAN, and other coatingsPaintsFiber-reinforced materialsThermoplasticsPrinted electronicsPlastic processing *jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.
Brand Summary
Identification & Functionality
Features & Benefits
Applications & Uses
Brand Highlights
Definition: Compounds having multiple epoxy groups
When an epoxy resin is allowed to react with various curing agents, an infusible, insoluble, three-dimensional, hardened material is formed. The features listed below indicate how this high-performance, multipurpose resin can be used for a wide variety of applications.
- There is tremendous freedom to adapt the material properties to the specific application requirements by adding various modifying agents (fillers, flexibility agents, diluents.)
- Curing shrinkage is small. Dimensional stability is excellent.
- Excellent adhesion to metal, porcelain, concrete, etc.
- High mechanically strength.
- Excellent as an electrical insulator.
- Excellent flexibility.
- Excellent heat resistance.
- Excellent wear and abrasion resistance.
- Excellent chemical resistance, and moisture (water) resistance.
<Reaction with Representative Hardeners>
<Self Polymerization>
Appropriate choice of Hardener for a desired curing temperature
- Epoxy resin forms 3D-crosslinked network structure
- Abundant choices of Epoxy/Hardener combination
In addition to the basic bisphenol A resin mentioned above, other specialized resins are manufactured and sold to give the cured material specific property enhancements.
Following are the main specialized resins
- Bisphenol F epoxy resin: Low viscosity makes it excellent to work with.
- Multifunctional epoxy resin: Cured material has outstanding thermal and chemical resistance.
- Flexible epoxy resin: The cured material's crack-resistance is improved.
- High molecular weight epoxy resin (phenoxy resin): The cured coating has excellent machinery property.
- Biphenyl epoxy resin: The cured material has excellent heat resistance and low stress.
Either alone or in combination with bisphenol A epoxy resin, these special resins can give specific features to the cured product to satisfy application requirements.
- Paints and coatings
- Electrical insulation materials
- Composite materials
- Civil-engineering and construction materials
- Adhesives
- Tools
- Other applications
A Japanese Ministry of Health, Labor, and Welfare toxicity study concluded that bisphenol A liquid epoxy resin and bisphenol F liquid epoxy resin are mutagenic. Therefore, when handling, it is necessary to follow the guidelines provided by the Ministry. In addition, as substances that can cause allergic dermatitis, official handling guidelines have been established by the Japanese Labor Standards Director and the Ministry of Health, Labor and Welfare. Similarly, precautions are needed in handling the curing agent. Especially amine-type curing agents can cause allergy-like dermatitis in people. In order to avoid direct contact, please use protective cream, gloves, goggles, and apron. Avoid inhalation of vapor and particulates by working in a well-ventilated area and working upwind of the material.
In the event of skin contact, avoid use of solvents, wipe the affected area with a dry cloth, wash thoroughly with soap and water, and then apply hand cream.
In the event of eye contact, flush eyes with water for more than 15 minutes, and then seek medical attention.
Various requirements are addressed by changing the molecular weight and/or the basic structure of the epoxy resin. A broad range of products are available in liquid, solid, or powder form, depending on the application.
- Basic Liquid Type
- Diluted Type
- Basic Solid Type
- Solution Type
- Bis-F Liquid Type
- Bis-F Solid Type
- Phenoxy Type (Polymer Type Epoxy Resins)
- Flame-retardant Type
- Multifunction Type
- Flexible Type
- Special Function Type
- Biphenyl Type
- Emulsion Type (water-based epoxy resin)