ptfe piston ring
ptfe piston ring are brandnew sealing materials to replace asbestos braid and cast steel piston ring.
we can produce ptfe filled ring,can fill glass fiber,bronze,carbon,graphite.ptfe piston ring possess such features as grinding-and high temperature-resistance,long life span and convenience for maintenance.lubricating properities of these materials effectively protect piston and inner wall of cylinder.
ptfe piston ring
