SC oil seal - rubber outside, all - in, single main lip oil seal, spring inside.
It belongs to rotary oil seal, used for sealing with oil and dust-free occasions, the highest pressure is 0.03mpa (0.3kgf/m2), widely used. Choose different materials according to different use medium, pressure and temperature. Common materials include: butadiene rubber SC skeleton oil seal, fluorine rubber SC skeleton oil seal, silicone rubber SC skeleton oil seal and so on. 
