... high temperature stability, etc. Made with all kinds of rubber.1) Material: silicone, fluoro silicone, viton (FKM), neoprene,HNBR ... and physical property,used in various auto,machinery,hydraulic pressure machine,etc.3) Excellent chemical and physical property, ... hydraulics Standard cylinders Machine tools Injection moulding machines Presses1,Pressure:30Mpa2.Temperature: -35~+80 degree3.Hardness: 90-95 ...