Dust ring is usually made of filled PTFE material, PTFE filling is adding a certain proportion of bronze powder, glass fiber, graphite, aluminum disulfide or ceramic materials in the pure PTFE, making these materials into powder, after mixing, rolling and high temperature sintering. Various materials composed of PTFE filling have their own special properties
Kintowe company’s dust ring is mainly made of PTFE filled with carbon fiber, filled PTFE products have the features of low hardness, not high density, impurities can immersed, and prevent the oil from the hydraulic cylinder in the tiny impurities to damage seals, ensure the sealing parts have longer service life, especially for excavator cylinders, It has been widely used in domestic and foreign customers.
