Sponge Rubber Closed Cell 2045

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2045 Closed Cell Sponge

Physical PropertiesTest MethodResults
ASTM D-1056

ASTM D-6576-07 ClassificationType II, Grades A & B, Condition Firm
SAEJ18 APR2002
Density (lbs/ft³)
ASTM D 105619± 4
Hardness, Durometer Shore 00ASTM D 224070± 10
Compression Deflection (25%)ASTM D 105621± 4
Compression Set (50%)ASTM D 105625 max
Tensile StrengthASTM D 412 (DIE A)200 psi
Tear Strength (lb/in)
ASTM D 624 (DIE C)35
Elongation (%)ASTM D 412 (DIE A)200
Resilience (%)
ASTM D 236230
Service Temperature
LowASTM D 746-40°F
High ContinuousASTM D 746150°F
High IntermittentASTM D 746200°F
Water Absorption (%)ASTM D 1056≤5%
Fluid Immersion (7 Days ar 73.4°F)
ASTM Ref, Fuel B, Weight Change %ASTM D 1056 <150%
Accelerated Aging (7 Days at 158°F)
FlexibilityASTM D 1056Pass
Appearance ChangeASTM D 1056None
Change in Compression DeflectionASTM D 1056± 30%
FlammabilityFMVSS302Pass at thicknesses of 0.1875" and higher

Meets the following specifications:

  • ASTM D1056 2C5
  • ASTM D6576 Type II, Grade A & B, Firm
  • SAE J18 APR2002 2C5

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