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Sponge Rubber > Closed Cell > R-8702

PHYSICAL PROPERTIES 
Type R-8702
Polymer Styrene / Butadiene Rubber (SBR)
Color Black
ASTM D-1056-67 Classification ---
ASTM D-1056-00 Classification
Suffix Requirements		 ---
25% Compression Resistance1 (psi) 40 - 60
50%  Compression Set2 (%) 50
Density3 (lbs/ft3) 25 -35
Water Absorption4 (lbs/ft2) 0.1 max.
Tensile5 (psi) 275 min.
Elongation6 (%) 175 min.
Standard Sheet Size (in.) +/- 3% 36" x 42"
Expected Yield (in.) .875"
From full bun-thickness-based on 2 level cuts  
   

125% Compression Resistance..........ASTM D-1056
2 50% Compression Set....................ASTM D-1056
3 Density........................................ASTM D-1056
4 Water Absorption..........................ASTM D-1667a
5 Tensile........................................ASTM D-412
6 Elongation...................................ASTM D-412

 Other gauges and widths may be available. Please refer to Customer Service.

Note: SAEJ 18 is equivalent to ASTM D-1056.

Issued : 10/01/04