... /oil seal/screw air compressor parts2.Available for left-handed rotation, right- handed rotation, irrotational;3.Available for single lip, double ... oil seals, and sealing property more reliable.3. Main used for internal combustion engines, screw compressors, axles, gearboxes and ... lubrication sealing material5. Extensive temperature range,can be long used between -180°C~+250°C6. Capacity in resisting ...