Technical Specifications for Grade SR (Medium Density Light Rubber Foam):

Average Physical Properties Test Method
1 Cell Structure Closed cell -
2 Apparent Density (kg/m³) 140 JIS K6767
3 Tensile Strength (N/cm²) 184.40 DIN 53571
4 Elongation (%) 260.00 JIS K6767
5 Tear Strength (N/cm²) 69.70 JIS K6767
6 Compression Set (%) 1.63 JIS K6767
7 Heating Shrinkage (%) 4.06 JIS K6767
8 Water Absorption (gm/cm³) 0.001 JIS K6767



  1. The above values are average figures obtained from laboratory test. They should be used as a guide only and should not be considered as a firm specification or guarantee.
  2. As we cannot anticipate or control the many different conditions under which this information and our products may be used, we do not guarantee the applicability or the accuracy of this information or the suitability of our products in any given situation. Users of our products should make their own tests to determine the suitability of each sudch product for their particular purposes. The products discussed are sold without warranty, either expressed or implied, and buyer assumes all responsibility for loss or damage arising from the handling and use of our products, whether done in accordance with directions or not. Also, statements concerning the possible use of our products are not intended as recommendations to use our products in the infringement of any patent. 

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