Cork rubber sheet Made from cork granule with NBR or neoprene. have good compressed cacacity, light weight and good chemical capacity, it resist oil too. Size: 940x630mm, 1250x640mm Density≤900Kg/m3 Tensile strength: ≥1.5Mpa Compressed rate:20-30%25.2 Compressed rebound rate: ≥80% Within 1# oil 70±1/4 hours 100±1ºC,Volume change rate: ±15% Within aromatic fuel 24±1/4hours 23±1ºC, Volume change rate: ≤25% Within hot air70±1/4 hours 100±1ºC, Hardness change: 10-0shore A Within water 1 hour±5minute 100±1ºC, Volume change rate: 15 -10%