January 01, 1970
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Made of polyacrylonitrile through surface treatment and reinforcement, used for braiding of packings.
Mainly made of USA or Holland-imported polyaramide ( a chemical synthetic filament of the strength 10 times that of steel), used for braiding of seal packing.
There are two types of products: PTFE molded rod and PTFE push rod. PTFE rod have good corrosion resistance and dielectric properties, can be used for a long time in the environment of -180-250 °C, and have a low coefficient of friction.