PTFE is a popular O-Ring material which is White in color. The PTFE O-Rings are popular for use in applications which require a chemically resistant and non-compressible material. Our PTFE O-Ring 1.AS568 US standard and other sizes 2.OEM Services are available There are several different standards to choose from when it comes to O-ring dimensions. The most popular in the United States is the AS568 standard for O-ring sizes and tolerances. Maintained by the Society of Automotive Engineers, this standard allows the user to choose from five different cross-sections with inside diameters ranging from 1/32" to 26". All Seals also offers a wide array of metric sizes, in both standard and non-standard dimensions. All Seals can provide custom O-rings, specially made to your demanding requirements.
PTFE O-ring adopts special rubber resisting high temperature, Fluoro-plastic and special engineering to compound this sealing product. It not only has low contraction permanent set functions of rubber O-ring,but also resist heat,cold,oil,friction,chemical corrosion and other performance. It can be used in all kind of dynamical seal and static seal widely, meanwhile can replace all traditional rubber and plastic O-ring.