Greene Tweed CHEMRAZ® 618 Perfluoroelastomer

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Greene Tweed CHEMRAZ® 618 Perfluoroelastomer
Categories:	Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Chemraz®, a proprietary Greene, Tweed compound, has the broadest chemical resistance of any elastomeric material. Chemraz combines the resilience and sealing force of an elastomer with chemical resistance approaching that of PTFE. Chemraz designs last longer and seal better in harsh environments at a wider range of temperatures than any other elastomer on the market. Chemraz solves some of the most difficult sealing problems encountered in many industries while delivering outstanding in-use cost effectiveness through custom components. Information provided by Greene Tweed.
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Physical Properties	Original Value	Comments

Specific Gravity	1.99 g/cc	ASTM D297

Mechanical Properties	Original Value	Comments
Hardness, Shore A	74	After 70hrs @347°F in AMS 3021
	75	ASTM D2240
Tensile Strength at Break	1925 psi	ASTM D1414
	2002 psi	After 70hrs @347°F in AMS 3021
Tensile Strength, Yield	370 psi	@50% Elongation; ASTM D1414
	1275 psi	@100% Elongation; ASTM D1414
Elongation at Break	126 %	After 70hrs @347°F in AMS 3021
	130 %	ASTM D1414
Compression Set	16 % @Temperature 230 °C, Time 252000 sec	ASTM D395

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	615 °F
Minimum Service Temperature, Air	0.000 °F
Shrinkage	-0.400 % @Temperature 175 °C, Time 252000 sec	in AMS 3021

Descriptive Properties
Color	Black

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PGREEN25 / 42319

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