1.Maintenance-free, long service life. 2.corrosion-resistant and anti-chemical. 3.good wear resistance and low friction. Thrust washerFit in reciprocating, rotary and space, such as sports venue difficult to form film. More suitable for low-speed heavy-duty working conditions, has good wear resistance and low friction coefficient. With corrosion-resistant and anti-chemical. Applies to -40 ° C to ...