1.Item:coolant hoses 2.Material:Neoprene,NBR,EPDM,ACM,ECO,HNBR,PVC 3. ... temperature -55°CApplication Used as vessel vent valves such as for automotive fuel tanks, in-and-outlet valves forpistonand diaphragm pumps ... to ASTM,DIN,SAE,VDA6.1, UL, FDA, JIS . coolant hoses