Fluorinated ethylene propylene (FEP).itha kufotokozedwa ngati utomoni wa fluoropolymer wokhala ndi mawonekedwe abwino kwambiri.mankhwala ndi magetsi katundu wa PTFE koma akhoza kukonzedwa pogwiritsa ntchito ochiritsira thermoplastics processing zipangizo.
Zophimba za FEP zochepetsera kutentha ndizoyenera komwe kutetezedwa kumadera ovuta kumafunika.Kuphweka kwake kwa kukhazikitsa kumachepetsa kukonza ndi kuchepetsa nthawi.Imaperekanso kukana kwa dzimbiri kwabwino kwambiri, kutetezedwa ku nkhanza zakuthupi, kugwedezeka ndi ma abrasion, mphamvu zabwino kwambiri zamagetsi, komanso kuyera kwambiri komanso kuwonekera.Kutsika kwapakati ndi pafupifupi 20%.Kutentha kwa shrinkage ndi 350 ° F. Mphamvu yogwira ndi 5-8 psi ndipo mapeto a pamwamba ndi 40 mainchesi.Kutentha kosalekeza kwa polima FEP ndi 400 ° F. Komabe, pansi pa katundu wambiri, izi zimatsika kwambiri.Kuti mugwiritse ntchito zophimba zotchingira zomwe zili ndi mphamvu zambiri, kutentha sikuyenera kupitirira 200 ° F.Pazovuta kwambiri komanso kutentha, chubu cha ID chokhazikika chiyenera kugwiritsidwa ntchito ndi zomatira.
Kuti muyike zivundikiro za FEP mpukutu muyenera kusankha kaye mainchesi apafupi okulirapo kuposa kukula komwe mukufuna.Sankhani kutalika kutengera pafupifupi 3% shrinkage kutalika.Pazivundikiro za mipukutu, perekaninso zina 2"-3" kutalika kwa ma cuffs omaliza.Lumo kapena mpeni wakuthwa ungagwiritsidwe ntchito podula machubu.Kuti muchepetse machubu pagawo, ikani 250-400 ° F, kutengera ntchito.Izi zikhoza kuchitika pogwiritsa ntchito uvuni wamoto wotentha kapena mfuti yamalonda yamalonda.Pazophimba zophimba, tikulimbikitsidwa kuti mfuti ziwiri za mpweya wotentha, kumbali zonse za chogudubuza, zigwiritsidwe ntchito.Chogudubuza ndi chubu ziyenera kuzunguliridwa mofanana pamene mukugwiritsa ntchito kutentha.
Nthawi yotumiza: Jul-28-2017