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Sponge Rubber > Closed Cell > R-431-N

PHYSICAL PROPERTIES 
Type R-431-N
Polymer Neoprene(CR)
Color Black
ASTM D-1056-67 Classification SCE-43
ASTM D-1056-00 Classification
Suffix Requirements		 2C3
B2, C1, F1, M
ASTM D-6576-00 Type II Grade A or B Medium
UL 50 / 508 (JMST2 File #MH9949)  
25% Compression Resistance1 (psi) 9 - 13
50%  Compression Set2 (%) 25
Density3 (lbs/ft3) 18 - 28
Water Absorption4 (lbs/ft2) 0.1 max.
Tensile5 (psi) 115 min.
Elongation6 (%) 175 min.
Flammability7 - FMVSS302 Pass
-UL 94 HBF - 1/16" min.
Standard Sheet Size (in.) +/- 3% 42" x 45"
Expected Yield (in.) 1.75"
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
7 Flammability - This item and any corresponding data refer to typical performance in the specific test indicated and should not be construed to imply this material's behavior in other fire conditions.UL 94-test valid for specific rating and thickness only. See UL 94 listing for details (File # E55475).

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

Note: SAEJ 18 is equivalent to ASTM D-1056. Mil 6130 has been replaced by ASTM D-6576-00

Issued : 10/01/04