Form: This specification covers a nitrile rubber in the form of sheet@ strip@ tubing@ molded shapes@ and extrusions. Application: Primarily for parts such as gaskets@ diaphragms@ bushings@ grommets@ and sleeves requiring resistance to aromatic and aliphatic fuels when continuously or alternately exposed to both.
SAE AMS3212L-1978 history
2020SAE AMS3212R-2020 Elastomer: Acrylonitrile Butadiene Rubber (NBR) Aromatic Fuel Resistant 55 to 65 Type ‘A’ Durometer Hardness For Products in: Aromatic and Aliphatic Fuel Systems