Viton™ Fluoroelastomer B-651C

Product Features
.High-fluorine (~70%) B-series grade for superior fuel and heat resistance
.Exceptional fuel resistance: compatible with oxygenated fuels, E10–E85, diesel, and jet fuel
.Excellent heat stability: 200–250 °C continuous, up to 300 °C short-term
.Low compression set for reliable long-term sealing under heat and pressure
.Strong chemical resistance to acids, bases, solvents, and oxidizers
.Stable processing for compression, injection, and transfer molding

Applications
.Automotive: fuel-line seals, injector O-rings, turbo seals, transmission gaskets
.Industrial: chemical pumps, valve gaskets, hydraulic/pneumatic seals
.Aerospace & energy: aviation fuel seals, gas-tight and high-pressure systems
.Electronics: seals for chemical-gas and high-temperature environments
High fuel resistance & high-temperature FKM
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Product Description

Viton™ Fluoroelastomer B-651C  

Key Features

  • B-series terpolymer with built-in curative and metal-adhesion promoter

  • Improved processing and mixing vs. traditional B-series FKMs

  • Better mold flow, easier release, and reduced mold fouling

  • Enhanced hot-tear resistance during high-temperature demolding

  • Excellent metal bonding performance when used with standard primers

Applications

  • Compression, transfer, and injection-molded parts

  • O-rings, gaskets, seals

  • Valve-stem seals, crankshaft seals

  • Components requiring B-series fuel/chemical resistance and metal bonding

  • Complex-shaped molded parts

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