China Manufacturer Ageing Oil Low Temperature Resistance Good Compressibility Cork Rubber Sheet For Seal The cork rubber sheet is a compound of cork and rubber made by using granulated cork and synthetic rubber polymer and their assistants. The product has properties of high resilience of rubber and compressibility of cork, so its performance is excellent. It can be used as gaskets of various engines of automobiles, pipes petroleum, transformerselectric equipment and apparatuses. It is a kind of new type high-grade static sealing materials used to seal low and medium pressure.Rubber Cork : Rubber type NBR; Cork granules: 0.25-120mm. Specification:
| Rubber type | Nitrile, Neoprene, Acrylate |
| Color of products | Natural, Black, Red |
| Cork granule size(mm) | 0.5~3mm |
| Service temperature | -40~120~150C degree celsius |
| Service pressure | Sealing pressure>=2.76Mpa, internal pressure< =345Kpa |
| Hardness(shore A) | Medium(55~75), Hard(70~90) |
| Densit(g/cm3) | Medium( < =0.9), Hard(< =1.3) |
| Tensile Strength | Medium(>=1.47), Hard(>=1.96) |
| Compressibility(300psi load) | Medium(15~30), Hard(10~20) |
| Change in volume( immersion in ASTM OilNo.1 for 70 hours at 100 C degree celsius) | Medium( +-15%), Hard(+-15%) |
| Normal sizes | 1800x900x0.5~12mm |
| Cutting type sizes | 915x610x1.2~80mm |
| For cork gaskets, produce according to customers drawing & sample |