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Ensinger PEI

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Greene Tweed CHEMRAZ® 565 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 PropertiesOriginal ValueComments
Specific Gravity 1.93 g/ccASTM D297
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 75ASTM D2240
Tensile Strength at Break 1750 psiASTM D1414
Tensile Strength, Yield 450 psi@50% Elongation; ASTM D1414
 1150 psi@100% Elongation; ASTM D1414
Elongation at Break 140 %ASTM D1414
Compression Set 25 %
@Temperature 204 °C,
Time 252000 sec
At 25% deflection; ASTM D395
 26 %
@Temperature 149 °C,
Time 3.60e+6 sec
4 Hr .postcure @ 300°F; 25% deflection; ASTM D395
 41 %
@Temperature 149 °C,
Time 3.60e+6 sec
at 25% deflection; ASTM D395
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 428 °F
Minimum Service Temperature, Air -22.0 °F
 
Descriptive Properties
ColorBlack

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PGREEN16 / 42310

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