PTF (polytetrafluoro 11thlene) Silicon Mbale, yemwe amadziwikanso kuti PTFF Mbale izi zimapangidwa kuti zithandizire kuchuluka kwa kukana kwamphamvu kwa mankhwala ndi kukhazikika kwa mankhwala, zomwe zimawapangitsa kuti azisunga zinthu zokhudzana ndi mankhwala osokoneza bongo.
