Sponge Rubber Closed Cell 4218-LD

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4218-LD Closed Cell Sponge

Physical PropertiesTest MethodResults
Type4218-LD
PolymerEPDM / SBR Blend
ColorBlack
ASTM D-10562A2

ASTM D-6576-67 ClassificationRE42
SAEJ18 APR2002
2A2
Density (lbs/ft³)ASTM D 10564.5 - 6.5
Hardness, Durometer Shore 00
ASTM D 224050± 10
Compression Deflection (25%)ASTM D 10565 - 9
Tensile StrengthASTM D 412 (DIE A)50 psi
Elongation (%)ASTM D 412 (DIE A)100
Temperature Range
ASTM D 746-70°F - 225°F
Water Absorption (%)ASTM D 10565
Accelerated Linear Shrinkage (%)5
FlammabilityFMVSS302Pass

Meets the following specifications:

  • ASTM D1056 2A2
  • ASTM D6576 Type: II, Grade: B, C, Condition: Soft
  • SAE J18 APR2002 2A2

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