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jER™ YX7400N

jER™ YX7400N is an adduct formed from the reaction of epichlorohydrin and an aliphatic polyol.FeaturesAdduct formed from the reaction of epichlorohydrin and an aliphatic polyolExcellent elasticityImpact resistanceApplicationsConsumer appliances and electronicsElectrical devices, assemblies, parts and componentsElectronics adhesivesElectrical and electronic packaging and assemblySpecialty and conformal coatingsPotting compoundsPrinted circuit boards (PCBs)Semiconductor manufacturing*jER™ is provided by Mitsubishi Chemical Corporation, a member of the Mitsubishi Chemical Group.

Brand: jER™ Epoxy (18 products)

Polymer Name: Epoxy Resins & Compounds

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

Chemical Family: Epoxy & Epoxy Derivatives

End Uses: Conformal Coating, Semiconductor Applications

Features: Abrasion Resistance, Excellent Elasticity, Excellent Resilience, Good Elasticity, Good Mechanical Properties, High Impact Resistance, Impact Resistance, Improved Dimensional Stability, Improved Flexibility, Reduced Wear

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

Applications & Uses


Physical Form
Colorless to yellow liquid
Physical Properties
ValueUnitsTest Method / Conditions
Density (at 25°C)1g/cm3Oscillation-Type Density
Typical Properties
ValueUnitsTest Method / Conditions
Epoxy Equivalent Weight (WPE)400 - 500g/eqPotentiometric Titration
Viscosity (at 25°C)100 - 250mPa.sBrookfield viscometer
Properties Formulation

  Value Unit Method
jER™ YX7400N 100 phr  
Bisphenol A Novolac Equivalent to epoxy group of YX7400N phr  
Triphenylphosphine 1 phr  
curing condition

80°C x 3h + 140°C x 3h


Cured State Properties

Tg -57 °C

Thermomechanical Analysis

Td5 283 °C

Thermogravimetry-Differential, Thermal Analysis (Heating rate: 10°C/min, in air)

Tensile Modulus 0.9 MPa Autograph
Tensile Strength 0.2 MPa Autograph
Tensile Elongation 20 MPa Autograph
Resilience at 23°C 84 %

Lupke Pendulum Type Resilience Test (JIS-K-6255)

Technical Details & Test Data

Typical Reactions with Representative Hardeners

jER™ YX7400N - Typical Reactions With Representative Hardeners

Flexible, Rubbery Epoxy Resins

jER™ YX7400N - Flexible, Rubbery Epoxy Resins

Typical Reactions with Self Polymerization

jER™ YX7400N - Typical Reactions With Self Polymerization

Selection of Hardeners

Appropriate choice of Hardener for a desired curing temperature

jER™ YX7400N - Selection of Hardeners

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

 jER™ YX7400N - General Ways To Use Epoxy

Packaging & Availability

Packaging Type
Packaging Information
Metal can with 18 kg net

Storage & Handling

Shelf Life
3 months
Storage and Handling

Carefully read the SDS before using, handling, transporting, storing or disposing. jER™ YX7400N 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.