... .Material:ACM,ECO,NBR 3.Process:Extrusion 1, Auto ventilation Hose for Crankcase2,Material:ACM,ECO,NBR3,Process:Extrusion4,Detail:ItemAuto ... ~5MpaResistance temperature range-40°C~180°C Executive StandardVDA6.1 ,SAE ,ASTM2000,GM6260MQuality Certification ISO9001:2000 , TS16949 We are a maufacturer ... experience. Customer drawings and OEM orders are welcomed4, auto ventilation Hose