This listing is for 10 piece/s.Viton O rings are the most economical and widely used seals. Used on many applications such as vehicle components to aircraft engines and many more. Viton O rings are ideal for high temperature environments as well as resistant to all sorts of chemicals. Features Temperature range: From -40�C up to 250�C Suitability: Good for use in high temperature situations or where chemicals are being used. As well as resisting oils, petrol and hydrocarbons, Viton is resistant to mineral acids, halogenated hydrocarbons and more. Benefits: Resistant to the majority of chemicals, as well as to degradation by UV, weather, ozone and mould. Limitations: Less tolerant of low temperatures. Pack of 10