... 2000Certifications Mechanical seal,seal,Oil sealPtfe Packing with free oil is made of 100% PTFE yarn, without the use of ... additional lubricants or break-in oils. Fast and simple to install, with minimum maintenance requirements. Teflon Packing ... High chemical resistance, very low coefficients of friction.Teflon Packing is suitable for seals valve and seals pump used ...