jER™ YX7400N

jER™ YX7400N is a liquid-type epoxy resin with excellent elasticity, impact resistance, rebound resilience, and post-cure flexibility, making it an ideal choice for consumer appliances and electronics, electrical devices, assemblies, parts and components, and various coatings.

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Specifications

Epoxy equivalent weight (WPE): 400–500
Viscosity @ 25°C: 100–250 mPa·s
Appearance: Colorless yellow liquid
Density @ 25°C: 1.0 g/cm3
Cured State Properties:
Tg: -57−C
Td5: 283°C
Tensile modulus: 0.9 MPa
Tensile strength: 0.2 MPa
Tensile elongation: 20 MPa
Resilience @ 23°C: 84%
Cured State Properties Formulation:
jER™ YX7400N: 100 phr
Bisphenol A novolac: Equivalent to epoxy group of YX7400N
Triphenylphosphine: 1 phr
Curing Condition: 80°C/3 hr + 140°C/3 hr

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Manufacturer
Mitsubishi Chemical Group
Product Line
jER™ Epoxy Resins
Product
jER™ Thermosetting Epoxy Resins
Industries
Adhesives Coatings Maintenance, Repair, Overhaul
Authorized Countries
United States
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Specifications

Epoxy equivalent weight (WPE): 400–500
Viscosity @ 25°C: 100–250 mPa·s
Appearance: Colorless yellow liquid
Density @ 25°C: 1.0 g/cm3
Cured State Properties:
Tg: -57−C
Td5: 283°C
Tensile modulus: 0.9 MPa
Tensile strength: 0.2 MPa
Tensile elongation: 20 MPa
Resilience @ 23°C: 84%
Cured State Properties Formulation:
jER™ YX7400N: 100 phr
Bisphenol A novolac: Equivalent to epoxy group of YX7400N
Triphenylphosphine: 1 phr
Curing Condition: 80°C/3 hr + 140°C/3 hr

Features & Benefits

  • Elastic properties
  • Increases the impact resistance of coatings, adhesives, composites, and potting and encapsulation materials
  • Rubbery elastic
  • Keeps flexibility even after curing
  • Rebound resilience
  • Adduct formed from the reaction of epichlorohydrin and an aliphatic polyol
  • Excellent elasticity
  • Impact resistance

Problems Solved

Damage to coatings caused by exposure to weather, chemicals, or water
Resin shifting or distortion from water
Cracking and surface defects of coatings used on flexible substrates

Applications

Increases the impact resistance of coatings, adhesives, composites, and potting and encapsulation materials
Consumer appliances and electronics
Electrical devices, assemblies, parts, and components
Electronics adhesives
Electrical and electronic packaging and assembly
Specialty and conformal coatings
Potting compounds
Printed circuit boards (PCBs)
Semiconductor manufacturing
Additives for stress relaxation (to avoid cracking, warpage)
Impact modifier for brittle materials
Base films/sheets for wearable devices

Related Applications
Adhesives Coatings
Related Chemistries
Maintenance, Repair, Overhaul
Related Functions
Adhesives Coatings
Related Technologies
Adhesives

jER™ Epoxy Resins Articles

Explore jER™ Specialty Epoxy Resins thumbnail
Explore jER™ Specialty Epoxy Resins

jER™ specialty epoxy resins are engineered to provide maximum performance in modern formulations used in the evolving electronics manufacturing space.

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