3M Dyneon™ BRE 7231 Base Resistant Elastomer

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3M Dyneon™ BRE 7231 Base Resistant Elastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Rubber or Thermoset Elastomer (TSE)
Material Notes:	3M™ Dyneon™ Fluoroelastomer BRE 7231 is a Base Resistant Fluoroelastomer containing 60% fluorine. It is a bisphenol cured terpolymer and is categorized as a type 4 FKM per ASTM D1418. This product offers improved resistance to high amine containing oils and lubes, coolants and transmission fluids as compared to Type 1 and Type 2 FKM’s. Possible applications for BRE 7231 are engine, transmission, transfer case or differential shaft seals or as a rubber coating for cylinder head gaskets, where multifluid resistance to engine oils and coolants is required Composition: Terpolymer of tetrafluoroethylene, propylene and vinylidene fluoride Improved resistance to new types of amine containing automotive fluids and other basic chemicals Improved low temperature sealing performance Application targets: bonded shaft seals and other molded goods Excellent processability and metal adhesion Process targets: injection, transfer and compression molding Proprietary incorporated cure technology Information provided by Dyneon, A 3M Company
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Available Properties

Specific Gravity
Mooney Viscosity, ML1+10
Hardness, Shore A, ASTM D2240, Press Cure 10 minutes @ 177°C, Post Cure 16 hours @ 232°C
Tensile Strength at Break, Press Cure 10 minutes @ 177°C, Post Cure 16 hours @ 232°C
Elongation at Break, Press Cure 10 minutes @ 177°C, Post Cure 16 hours @ 232°C
100% Modulus, Press Cure 10 minutes @ 177°C, Post Cure 16 hours @ 232°C
Compression Set, Aged 70 hours @ RT
Compression Set
Compression Set
Fluorine, F

Property Data

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Manufacturer Notes:
Dyneon, Division of 3M

Category Notes
Plastic

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