... abrasion.Hight elasticity and mechanical strength. Rubber sealing,Mechanical SealNBRResistant against:oil,pressure,abrasion.Hight elasticity and mechanical strength. Suitable for general ... to heat and freeze.Unsuitable for working under high mechanical strength.Application temperature:-93~150VITONResistant against:heat,oil, ... ,high abrasion.Application temperature:-20~180 Rubber sealing,Mechanical Seal