... seal Excellent chemical and physical property, oil resistance, high temperature stability, etc. Made with all kinds of rubber.1) ... , NBR, natural rubber, SBR,IR, IIR (BUTYL RUBBER), CIIR, CR (neoprene),EPDM are available2) Excellent chemical and physical property, ... auto,machinery,hydraulic pressure machine,etc.3) Excellent chemical and physical property, excellent oil resistance, high temperature ...