... power micro powder 4.Extrusion grade 5.High quality ,competitive price 1) product introduce:With a high degree of chemical stability and excellent ... , pottery and other surface anti-corrosion layer. Ring of PTFE, PTFE gasket, PTFE packing, etc. are widely used in various types of ... sealing. In addition, it can be used for spinning, fiber PTFE - Teflon (foreign trade name Teflon). 2) product's technical ...