... , FPM , PTFE Applications : automobile , machiner we supply different types of rubber oil seals , auto seals ,machanical oil seal .Oil seals have ... or sand. 1. Material: NBR, HNBR, XNBR, POLYCRYLIC, SILICON, VITON, EPDM. . . etc 2. Specification: Meet AS-568, JIS-B-2401P & G ...