ISO/TS16949 Name: Rubber screw dust cap Material:EPDM,NR,NBR,CR market:china,USA,EU CertificationISO/ ... screw dust cap, rubber bolt dust boot, auto rubber dust coverMeterialCR, EPDM, NR,NBR,ectCharacteristicOzone resistant, High/ Low temperature resistant, Aging resistant, WearableHardness50A- 80A ... product quality to meet the customer satisfaction. Rubber screw dust cap