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PTFE pepala pulasitiki amabwera mu mpukutu mu makulidwe .005 - .020. Ngati muyitanitsa kuposa 1 pc, idzadulidwa ku mpukutu. Mu makulidwe okulirapo kuposa .020, timasunga 48 x 48 ndikudula pazowonjezera zomwe mukuwona zandandalikidwa. Kuchokera pamiyeso iyi, kukula KULIKONSE kumatha kudulidwa kapena kupangidwa ndi makina! PTFE ili ndi apamwamba kwambiri ...Werengani zambiri»
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Thread seal tepi (yomwe imadziwikanso kuti PTFE tepi kapena plumber's tepi) ndi filimu ya polytetrafluoroethylene (PTFE) yogwiritsidwa ntchito posindikiza ulusi wa mapaipi. Tepiyo imagulitsidwa yodulidwa kuti ikhale m'lifupi mwake ndikumangirira pa spool, zomwe zimapangitsa kuti zikhale zosavuta kupota ulusi wa chitoliro. Amadziwikanso ndi dzina la genericized trade-name Tef...Werengani zambiri»