Use:Used for sports shoes, work shoes, boots, safety car sealing washer, profile products, hose, movies and other (not recommend NBREnglish name:Nitrile Butadiene RubberEnglish another name,Butadiene acrylonitrile rubberAbbreviation: NBRCAS RN ,9003-18-31,physical and chemical properties:1.1Molecular Formula:(C4H6·C3H3N)x2,technical indexes:ItemIndex Mooney viscosity57 Acrylonitrile content Can33 ...