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jER™ 1256

Sold by Mitsubishi Chemical

jER™ 1256 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.

Features

  • High molecular weight
  • High softening points
  • Good film former
  • Hydrolysis resistance
  • Flexibility
  • Strong adhesion

Applications

  • PCM, CAN, and other coatings
  • Paints
  • Fiber-reinforced materials
  • Thermoplastics
  • Printed eectronics
  • Plastic processing 
Chemical Family: Epoxy & Epoxy Derivatives, Bisphenol A Type Epoxy
Polymer Name: Epoxy Resins & Compounds
Function: Binder & Resin, Plasticizer, Adhesion Promoter, Resin, Impact Modifier, Coupling Agent
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Identification & Functionality

jER™ 1256 Features & Benefits

Product Highlights
  • Solid type (pellet)
  • Polymer epoxy resin
  • Tough
  • Addition of polymer epoxy resin gives toughness and film/sheet formability

Applications & Uses

Usage & Application
  • Coating (PCM, CAN, and so on)
  • Paint
  • Additives to improve paintability/coatability
  • Additives to give toughness/flexibility for fiber reinforced materials
  • Modifier for thermoplastics (Hydrolysis resistance, adhesiveness, etc.)
  • Printed Electronics (dry film, adhesive for triple-layer FPC, and adhesion promotor for FR4 & FR5)
  • Plastic processing (additives for improving film/sheet formability)

Properties

Physical Form
Appearance
Pale yellow solid
Physical Properties
ValueUnitsTest Method / Conditions
Viscosity (at 25°C, 40% Solid Butyl Carbitol)max. Z10-Gardner-Holdt
Glass Transition Temperature95°CDifferential Scanning Calorimetry
Typical Properties
ValueUnitsTest Method / Conditions
Epoxy Equivalent Weight (WPE)7,500-8,500g/eqPotentiometric Titration
Molecular Weight51,000--

Technical Details & Test Data

jER™ 1256 Film

Packaging & Availability

Packaging Type
Packaging Information
Paper bag with 25 kg net

Storage & Handling

Shelf Life
3 months
Storage and Handling
Carefully read the SDS before using, handling, transporting, storing or disposing. jER™ 1256 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 (3) months from date of delivery.

Most Viewed Documents

Document Name
Type
Products
jER™ Epoxy Brochure
Brochure
jER™ YL980, jER™ YL983U, jER™ YX7400N, jER™ YX8000D, jER™ YX4000, jER™ YX7105, jER™ YX7110, jER™ YX8800, jER™ 807, jER™ 828, jER™ 1256, jER™ 1750, jER™ 4250
Brochure
Products: jER™ YL980, jER™ YL983U, jER™ YX7400N, jER™ YX8000D, jER™ YX4000, jER™ YX7105, jER™ YX7110, jER™ YX8800, jER™ 807, jER™ 828, jER™ 1256, jER™ 1750, jER™ 4250
jER™ 1256 Safety Data Sheet
Safety Data Sheet
jER™ 1256
Safety Data Sheet
Products: jER™ 1256
jER™ 1256 Technical Data Sheet
Technical Data Sheet
jER™ 1256
Technical Data Sheet
Products: jER™ 1256