Expanded PTFE Valve Stem Packing

Expanded  PTFE Valve Stem Packing Expanded PTFE is virgin PTFE to which a  stress resistance has been added by means of molecular rearrangement during  manufacture. This process ensures that the molecular chains from which the PTFE  is constructed,Website:http://www.eptfe-industry.com, do not arrange themselves into set patterns. This means that  expanded PTFE possesses no structural weakness and expands and contracts  equally in all directions. Because no additives are required, expanded PTFE  also possesses the unique chemical resistance of virgin PTFE. Expanded  PTFE Valve Stem Packing is an all purpose, self-forming packing material made  of 100% PTFE. It  is a round, expanded product, resulting in a fibrillated, High Tensile Strength  material that deforms when compressed to fill all surface irregularities.倀吀FE Stem Packing is self-lubricating, eliminating stem wear, and is  unaffected by most common chemicals.Application: Pump,Valve,Flange Food  Industry,Medicine,Pulp   Paper,Chemical Fiber,Chemical ect. Certificater :FDA 21 CFR177.1550,ROHS,MSDS The  Third Party Inspection Institution :  TUV GermanyData  Sheet:                                                                                       Temperature                                   -168℃~+280℃PH  Value0~14 Working  Pressure<20 MPa Density                                              0.85g/cm3


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