Viton O Rings

InSeal stocks a range of standard size viton O rings. Specials can also be supplied to order.

The O rings are used in the presence of aggressive chemicals, fuels, and explosive gases. They offer excellent resistance to petroleum products and solvents. Very good high-temperature performance. Fluorocarbon elastomers make up the most widely used oil seals in the semi conductor industry.

The working temperature range for Viton® is considered to be -15 to +400 degrees F (-29 to +204 degrees C), but it will take temperatures up to 600 degrees F (316 degrees C) for short periods of time. Du Pont’s Kalrez® is normally recommended up to 500 degrees F (260 degrees C). On the low end, Viton® compounds have been known to seal at -65 degrees F (-54 degrees C) in some special static applications, however the normal low temperature limit is -15 degrees F (-26 degrees C). Fluorocarbon 0-rings should be considered for seal use in aircraft, automobile, scientific instruments and other mechanical devices requiring maximum resistance to elevated temperature and to many functional fluids.