... metal 2.Use:Automobile gear box,transmission,engine Subordinate departments;Commercial vehicle oil divisionThe series;Engine oil sealProduct overview; ... flow into the guide rod and the clearance of lubricating oil. 1. Available material: NBR, HNBR, EPDM, ACM, ... . 3. Excellent chemical and physical property, excellent in oil resistant, high/low temperature-resistant, wearing-resistant, dust-resistant ...