Material:Â sponge&foam EPDM rubber,neprene,nirtirle rubber
Color:Â Black, any other colour is available
Hardness (Shore A): 25 ±5 as standard or per request
Specific gravity: 0.5 to 0.7 g/cm³
Tensile strength:Â 10MPA
Temperature Range:  -40 °F – 248 °F (-40°C – 120°C)
Tolerance: RMA Standard Cross-sectional Tolerance E2, or per request
Application:
Oil-proof, acid-proof, alkali-proof, heat-proof, heat-proof sealing rings.