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Ensinger PEI

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Greene Tweed Fluoroelastomer 931 FKM
Categories: Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)

Material Notes: Fluoroelastomer 931 performs well in aggressive chemical where ultrapure materials are not required. Recommended for conventional wet and dry system applications, Fluoroelastomer 931 has a good field performance history in both dynamic and static applications. Fluoroelastomer 931 is excellent for high sealing load designs.

Applications:

  • Chamber seals
  • Bonded slit valve doors
  • Window seals
  • Door seals
  • Lid seals
  • Gas inlet seals
  • KF fitting seals
  • Valve seals
  • Gaskets
  • Fitting and union seals

Information provided by Greene Tweed.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.84 g/ccASTM D297
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 90ASTM D2240
Tensile Strength at Break 2245 psiASTM D1414
Tensile Strength, Yield 936 psi@50% Elongation; ASTM D1414
 1625 psi@100% Elongation; ASTM D1414
Elongation at Break 144 %ASTM D1414
Compression Set 27 %
@Temperature 204 °C,
Time 252000 sec
At 25% deflection; ASTM D395
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 392 °F
Minimum Service Temperature, Air -22.0 °F
 
Descriptive Properties
ColorBlack

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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