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        Open Cell Sponge Rubber / Sponge Rubber Open Cell 3140
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        Product Code: SPONGE-RUBBER-OPEN-CELL-3140

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        Technical Data Sheet

        Property Test Method Value
        PHYSICAL
        Density (Average), lb/ft³ ASTM D1056 33
        Thickness, inches (Tolerance) ASTM D1056 To 0.187 (±0.015)
        0.188 – 0.374 (±0.030)
        0.375 – 0.500 (±0.040)
        Over 0.500 (±0.060)
        Standard Color Black
        Polymer Natural Rubber
        Compression Force Deflection, psi ASTM D1056 16 – 22
        at 25% compression
        Compression Set, % max. ASTM D395 15
        50% deflection at 158°F
        Accelerated Aging, % ATSM D573 ±20
        Change in compression deflection 168hr at 158°F
        Temperature -20°F to 160°F
        Meets Specifications For: ASTM D1056-1A5 / MILC-3133-RO20 / MIL-STD-670-RO20
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