Description PTFE Bushes are high quality semi finished products in form of bars & tubes for the machining of sealing elements to cover the whole spectrum of seal applications. Application & Usage Semi finished PTFE bushes are used in sealing applications and has to be machined as per the internal applications. Besides the wide range of standard dimensions which are carried on stock, special dimensions are also available. Materials used Virgin PTFE, 15% Glass+5% MoS2 filled PTFE, Other filled grades etc.