Sponge Rubber Closed Cell R-428-N

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Sponge Rubber Closed Cell R-428-N

Physical PropertiesTest MethodResults
TypeR-428-N
PolymerNeoprene / EPDM / SBR
ColorBlack
ASTM D-1056
2A3
ASTM D-6576-67 ClassificationSCE43
SAEJ18 APR20022A3
Density (lbs/ft³)
ASTM D 10568 - 10
25% Compression Resistance (%)ASTM D 10569 - 13
50% Compression Set (%)ASTM D 105650
Tensile StrengthASTM D 412 (DIE A)60 psi
Elongation (%)ASTM D 412 (DIE A)90
Water Absorption (lbs/ft²)ASTM D 16670.1
FlammabilityFMVSS302Pass

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