Our products are widely used in petroleum, chemical, paper, shipbuilding, power generation, metallurgy and
Other industrial equipment piping, valves, flanges, heat exchangers and so on. Our products are recognized by consumers as reliable and excellent quality reliable products. Cong Feng is also recognized by consumers as a leader in the sealing industry. Its professional, reliable and brand value is worthy of the trust of consumers!
The production process of
Ptfe Gasket is described in detail
1) Raw material preparation; Ingredients: Pure F4 product, pure F4 raw material resin, syrup, sieving
2) Mold preparation: Wipe the mold with alcohol. No rust or accessories are found in the mold
3) Weighing, according to the formula G = PV (where G is feed quantity and P is preform density (2.18g/cm3))
V is the volume of the product) weighing.
4) Feed: F4 resin is uniformly distributed on the entire pressed surface.
5) Preforming (pressing) : Calculate and set the gauge pressure according to the formula. To suppress
6) Stripping and trimming: Take the semi-finished products out of the mold and trim the surface to make the surface smooth and neat. Ready to form.
7) Sintering: put semi-finished products into sintering furnace slowly, add appropriate amount, raise the temperature to about 390 degrees for one hour, and then keep for one hour. About the time it takes shape, it begins to cool. After about four hours, the temperature reaches the indoor temperature and the finished product is finished. Release and finalize.
