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jER™ YX8000D

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.

Brand: jER™ Epoxy (11 products)

Polymer Name: Epoxy Resins & Compounds

Functions: Adhesion Promoter, Binder & Resin, Coupling Agent, Resin, Resins, Binders & Matrix Materials

Chemical Family: Bisphenol A Type Epoxy, Bisphenol Epoxy Resins, Epoxy & Epoxy Derivatives

End Uses: Radiation Curable Coating, Semiconductor Applications

Compatible Substrates & Surfaces: Aluminum, Ceramic, Concrete, Fibers & Fabrics, Glass, Metal, Plastics, Steel

Features: Excellent Adhesion, Fast Cure, Faster Cure Time, LED-curable, Low Chlorine Content, Radiation Curable, Transparency, UV Curable

Enhanced TDS

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

CASE Ingredients Features
Materials Features
  • Highly adhesive to metal, porcelain, concrete
  • Excellent insulation property
  • High heat resistance
  • High chemical resistance
  • High water resistance
Product Highlights
  • Liquid type (easy to handle)
  • Excellent Tranparency even after full-curing
  • Adhesion
  • High Photo cure rate
  • Low chlorine level

Applications & Uses


Physical Form
Colorless liquid
Typical Physical Properties
ValueUnitsTest Method / Conditions
Refractive Index (589nm)1.50D line
Physical Properties
ValueUnitsTest Method / Conditions
Density (at 25°C)1.1g/cm3Density Meter (Vibration type)
Typical Properties
ValueUnitsTest Method / Conditions
Epoxy Equivalent Weight (WPE)175 - 195g/eqPotentiometric Titration
Chloride Contentmax. 1200ppmPotentiometric Titration
Viscosity (at 25°C)max. 1500mPa.sCapillary Viscometer
Properties Formulation

  Value Unit Method
jER™ YX8000D 100 - phr  
Other company’s hydrogenated bisphenol A type epoxy - 100    
Anhydride curing agent (Methylhexahydrophthalic anhydride/Hexahydrophthalic anhydride = 70/30) 89 77 phr  
Curing accelerator (Methyltributylphosphonium dimethylphosphate) 1 1 phr  
Gel time @ 120 °C 30 36    
Curing condition

100°C/3h + 130°C/3 h

Cured State Properties
Tg (tanδ) 135 - °C

Dynamic Mechanical Analysis

Elastic modulus @ 30 °C 3.4 - GPa

Dynamic Mechanical Analysis

Elastic modulus @ 220 °C 17 - MPa

Dynamic Mechanical Analysis

Tg 136 110  

Thermo Mechanical Analysis

Coefficient of Thermal Expansion (α1) 68 75 ppm

Thermo Mechanical Analysis

Coefficient of Thermal Expansion (α2) 172 186 ppm

Thermo Mechanical Analysis

Moisture absorption rate

72hr 0.8 0.9 %

85°C 85%RH

168hr 0.83 0.92 %

Light resistance (Weathermeter, 0.4kw/m^2)

Yellowness index

0hr 1 1 -  
168hr 7 16 -

Light transmittance at 360 nm

0hr 86 85 %
168hr 53 35 %

Technical Details & Test Data

Photo Curability Data

YX8000D significantly decreases photo curing time to reach sufficient crosslinking reaction level compared to a conventional CER.

jER™ YX8000D - Photo Curability Data

CER: Cycloaliphatic epoxy resin
Light source 200mW/cm2, no filter, 25°C
Photo cationic catalyst CPI 100P San Apro Ltd.

Transparency of jER YX8000D

jER™ YX8000D - Transparency of Jer Yx8000D

Izod Impact Strength Data

jER™ YX8000D - Izod Impact Strength Data

Transparency Data of YX8000 Series

Transparency data of YX8000*

High transparency can be achieved by YX8000D.

*YX8000 is a former version of YX8000D with higher Cl impurity.

jER™ YX8000D - Transparency Data of Yx8000 Series

Curing condition: 100°C x 3hr + 130°C x 3hr
Curing agent: Acid anhydride type

Typical Reactions with Representative Hardeners

jER™ YX8000D - Typical Reactions With Representative Hardeners

Adhesion Improvement Data of YX8000

YX8000 addition to CER improves adhesiveness to metal substrates.
*YX8000 is a former version of YX8000D with higher Cl impurity.

Share adhesive strength

jER™ YX8000D - Adhesion Improvement Data of Yx8000

Curing condition: 100°C x 3hr + 130°C x 3hr
Curing agent: Acid anhydride type
Share adhesive strength test: ISO4587 (JIS K 6850)

Typical Reactions with Self Polymerization

jER™ YX8000D - Typical Reactions With Self Polymerization

Selection of Hardeners

Appropriate choice of Hardener for a desired curing temperature

jER™ YX8000D - Selection of Hardeners

General Ways to Use Epoxy
  • Epoxy resin forms 3D crosslinked network structure
  • Abundant choices of Epoxy/Hardener combination

 jER™ YX8000D - General Ways To Use Epoxy

Packaging & Availability

Packaging Type
Packaging Information
Steel drum with 200 kg net and metal can with 20 kg net

Storage & Handling

Shelf Life
3 months
Storage and Handling

Carefully read the SDS before using, handling, transporting, storing or disposing. jER™ YX8000D should be stored in tightly closed containers under exclusion of humidity at gentle temperatures. Avoid exposure to direct sunlight. Under these storage conditions the product has a minimum shelf life of three months from date of delivery.