material:It's made of NBR, NR, FPM, CR, EPDM, SI External diameter: 1.8-79mm Inner diameter:1.0-70mm Thickness:0.5-4.5mm

1. The product used for various on the machines to sealing. such as electronic product ,electrical appliances,machinery part. 2. It’s with good sealing property and tear resistance, oxygen resistance, ozone resistance, weathering resistance, flame resistance, heat resistance, low temperature resis.

rubber O-ring/mechanical seal