Ptfe is a very popular material for o rings. It is applicable in environments which require chemical resistance and non-compressible material.Ptfe o rings are resistant to a number of chemicals including steam, acids, bases, oils, etc. Ptfe o-rings is also known as teflon o rings. It has outstanding tear resistance and abrasive resistance resulting in slippery surface properties that make it advantageous for use in seals in moving systems such as valves. Usually it is not recommended for high vacuum seals and low compression vacuum sealing flanges. Ptfe o-rings do not have the compliance of rubber o-rings. To ease assembly, the cross sectional squeeze should be reduced relative to that specified for rubber.
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Jainuddin (Sujan Rubber Products)
Babban Mishra Compound Near Power Flex, Sonawala Cross Road, Goregaon East., Mumbai, Maharashtra, India
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