Tepi ya kanema wa PTFF imadziwika kwambiri pamtunda wosakhazikika, kukana kutentha kwambiri, komanso kukhazikika kwamankhwala, ndikupangitsa kuti ikhale yankho lokonda m'magawo osiyanasiyana ogwiritsa ntchito mafakitale. Tepi iyi imapangidwa kuchokera ku polytetrafluorothylene (PTF) filimu, nthawi zambiri imaphatikizidwa ndi zomata za silicone

PTFF TEP yotentha paotentha ndi madzi osavala madzi, ndipo ndi chimodzi mwazifukwa zazikulu zomwe zimadalira makhathi amakono omwe amadalira mafakitale ambiri ndi zida zopindika. PTF.

Kugwiritsa ntchito tepi ya PTF moyenera ndikofunikira kuti mukwaniritse chisindikizo cholimba, chopanda tanthauzo mu mapulogalamu ndi mafakitale. Kaya mukukulunga ulusi wopindika kapena magetsi ogwiritsira ntchito magetsi, kumvetsetsa njirayi ndi kofunika monga kusankha tepi yoyenera. Wakuda anti st