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Silicone fluoro rubber O ring

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Silicone fluoro rubber O ring

  • Taxonomy:Fluorosilicon rubber seal ring

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  • Date of release:2019/08/10
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Silicone fluorine rubber O - type sealing ring

Fluoroelastomer has high chemical stability and is one of the best dielectric resistant elastomers. Type 26 fluororubber is resistant to petroleum-based oils, diester oils, silicoether oils, silicic acid oils, inorganic acids, most organic, inorganic solvents, medicines, etc., only low molecular ketone, ether, esters, amine, ammonia, hydrofluoric acid, chlorosulfonic acid, phosphoric acid hydraulic oil. The medium performance of type 23 fluoroadhesive is similar to that of type 26, and it is more unique. The inorganic acids with strong oxidation resistance, such as fuming nitric acid and concentrated sulfuric acid, are better than that of type 26. The volume expansion of type 23 fluoroadhesive is only 13%~15% after 27 days of immersion in 98% HNO3 at room temperature.

High temperature resistance

Fluoroelastomer has the same high temperature resistance as silicone rubber, which is the best elastomer at present. 26-41 fluoroglue can be used for a long time at 250℃ and for a short time at 300℃. Fluoroglue is better in heat resistance than 26-41. The physical properties of 26-41 after 300℃×100 hours of hot air aging are similar to those of 246 after 300℃×100 hours of hot air aging. Its elongation at breaking can be maintained at about 100% and its hardness is 90~95 degrees. Model 246 maintains good elasticity at 350℃ hot air aging for 16 hours, at 400℃ hot air aging for 110 minutes, and at 400℃ hot air aging for 110 minutes, the elongation of rubber materials containing spray carbon black, hot cracking carbon black or carbon fiber increases by about 1/2~1/3, and the strength decreases by about 1/2, still maintaining good elasticity. Type 23-11 fluoroadhesive can be used at 200℃ for a long time and 250℃ for a short time.


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Address: no.5 hongbin road, yuhong district, shenyang


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