Greene Tweed FLUORAZ® 888 Fluoroelastomer, FEPM

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Greene Tweed FLUORAZ® 888 Fluoroelastomer, FEPM
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Fluoraz® 888 polytetrafluoroethylene/propylene (FEPM) performs well in aggressive chemicals where ultra pure materials are not required. Recommended for conventional wet and dry system applications requiring better chemical resistance than typical fluoroelastomers, Fluoraz 888 has a good field performance history in both dynamic and static applications. Fluoraz 888 remains stable at service temperatures up to 230°C (446°F). Applications: Valve seals KF fitting seals Window seals Lid seals Gas inlet seals Chamber seals Door seals Gaskets Fitting and union deals Slit valves Information provided by Greene Tweed.
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Physical Properties	Original Value	Comments

Specific Gravity	1.56 g/cc	ASTM D297

Mechanical Properties	Original Value	Comments
Hardness, Shore A	70	ASTM D2240
Tensile Strength at Break	3320 psi	ASTM D1414
Tensile Strength, Yield	190 psi	@50% Elongation; ASTM D1414
	455 psi	@100% Elongation; ASTM D1414
Elongation at Break	325 %	ASTM D1414
Compression Set	48 % @Temperature 204 °C, Time 252000 sec	At 25% deflection; ASTM D395

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	446 °F
Minimum Service Temperature, Air	-20.0 °F

Descriptive Properties
Color	Tan

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PGREEN43 / 42337

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