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Rubatex R421 Neoprene/EPDM/SBR Rubber Foam Sheet  (discontinued **)
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Information provided by Rubatex.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 7.00 - 11.0 lb/ft³ASTM D 1056
Water Absorption <= 5.0 %0.1 lb/ft² per ASTM D 1667; ASTM D 1056
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore OO 25 - 45
Tensile Strength, Ultimate >= 50.0 psiASTM D 412
Elongation at Break >= 100 %ASTM D 412
Resilience 30 - 40% Bashore; 1/2* thickness @ 72F
Compression Set <= 35 %Based on compressed height; ASTM D 1056
 
Thermal PropertiesOriginal ValueComments
Maximum Service Temperature, Air 200 °F
Minimum Service Temperature, Air -70.0 °FCold Crack; ASTM D 1056
Shrinkage <= 5.0 %
@Temperature 70.0 °C,
Time 605000 sec
Linear; ASTM C 534
 
Descriptive Properties
ASTM D 1056-002A1
ASTM D 1056-67SCE41
ColorBlack
Compression Deflection (25%)2-5 psiASTM D 1056
Compression Deflection Heat AgingMax Change +/-30%ASTM D 1056
Expected Yield Thickness (In.)2.25After 2 level cuts
Flammability RatingPASSES FMVSS302
Mil R 6130 TYPE 2/ASTM D6576-00 GradeBorC/Soft
Ozone Resistance Rating0ASTM D 1171 (72 HOURS 50PPHM)
Sheet Size (In.)42X60Other sizes may be available
U.L. 94 RecognizedYes
UL 50/508Yes

**
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