by SpecialChem

jER™ 1256B40

Technical Datasheet | Supplied by Mitsubishi Chemical

jER™ 1256B40 by Mitsubishi Chemical is a solvent-based, flexible, high performance, low viscosity, bisphenol A epoxy resin having high molecular weight. It is formed by the condensation polymerization of bisphenol A and epichlorohydrin. Exhibits good adhesiveness, small curing shrinkage, excellent dimensional stability and high mechanical strength. Offers excellent heat-, wear-, chemical-, moisture- and abrasion resistance. Possible applications of jER™ 1256B40 could be paints & coatings, electrical insulation materials, composite material, civil engineering & construction materials, adhesives and tools. The cured material exhibits improved crack-resistance.

jER™ 1256B40 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Solids Content

39 - 42 %

Epoxy Equivalent Weight

6700 - 8000 g/eq

Molecular Weight

45000 g/mol

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