Elastomer: Acrylonitrile Butadiene Rubber (NBR) Hot Oil and Coolant Resistant, Low Swell 45 to 55 Type ‘A’ Durometer Hardness for Products in Engine Oil Systems/Coolant Systems
Elastomer: Acrylonitrile Butadiene Rubber (NBR) Aromatic Fuel Resistant 55 to 65 Type ‘A’ Durometer Hardness For Products in: Aromatic and Aliphatic Fuel Systems