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FFKM (Kalrez ring) perfluorine-rubber material is the best rubber material with high temperature resistance, strong acid and alkali resistance and organic solvent resistance among all elastic sealing materials at present. Perfluorinated rubber can resist the corrosion of more than 1600 chemical solvents such as strong acid, strong base, organic solvent, ultra-high temperature steam, ether, ketone, ester, nitrogen compounds, hydrogen carbide, alcohols, aldehydes, furan and amine compounds. High temperature resistance up to 320℃. FFKM has nearly 40 years of experience with perflurane seals in a variety of industries. 91视频H污污 seal ring are manufactured to AS-568 (USA), DIN-3771 (Germany), BS-1806 (UK), ISO3601 (International), JIS-B2401 (Japan) and other standards, or can be customized to your specific size.
Polyurethane rubber can be mixed into two categories, one is polyester polyurethane (AU), the other is polyether polyurethane (EU). AU type has excellent oil, fuel and solvent resistance, but is susceptible to hydrolysis, EU type is not susceptible to hydrolysis, and has considerable fuel and oil resistance compared to low acrylonitrile (18-22% ACN) nitrile butadiene rubber or HNBR. Compared with other elastomers, PU oring made of polyurethane rubber has excellent wear resistance, high tensile strength and high elasticity.
Fluorocarbon (FKM) & Viton O-Rings Viton O-Rings FKM Viton O Ring FKM Metric Size O-Rings Fluoroelastomer (FKM) O-Rings FKM/FPM O-rings
High temperature resistance （-50～250℃) silicone rubber(VMQ) O-Rings/seal ring.Excellent heat resistance, ozone resistance and corona resistance, excellent dielectric stability, resistance to various oils, chemicals and solvents. Of all elastomers, silicone has the best elasticity at low temperatures.
FFKM O-rings & seals Perfluoroelastomer FFKM O-rings High Temperature O-rings FFKM O-rings & viton FFKM Perfluoroelastomer Metric O-rings Perfluoroelastomer (FFKM) Material for O-rings
NBR Nitrile rubber O-rings Buna-N O-Rings (NBR Nitrile) NBR O-Rings NBR nitrile o ring Nitrile Rubber O-Rings Metric Nitrile (NBR) O-Rings