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PP (Polypropylene) Chitoliro Chowonjezera
kufotokoza
| Kuyika: | Standard export phukusi |
| Mayendedwe: | Ocean, Air, Land, Express, Ena |
| Malo Ochokera: | Guangdong, China |
| Kupereka Mphamvu: | 200 matani / mwezi |
| Chiphaso: | SGS, TUV, ROHS |
| Doko: | Doko lililonse la China |
| Mtundu wa Malipiro: | L/C, T/T |
| Incoterm: | FOB, CIF, EXW |
Kugwiritsa ntchito
Mapaipi a PP (polypropylene) amadziwika kuti ndi olimba kwambiri, omwe makamaka amabwera chifukwa cha kuphatikiza kwawo kopepuka, kuwotcherera, komanso kukana abrasion. Mapaipiwa amapangidwa kuchokera ku polima ya thermoplastic yomwe imawonetsa mphamvu komanso kulimba mtima, zomwe zimawapangitsa kukhala chisankho chabwino pakugwiritsa ntchito mosiyanasiyana.
Chimodzi mwazabwino za mapaipi a PP ndi mawonekedwe awo opepuka, omwe amalola kuyika ndi kuwongolera mosavuta. Mbali imeneyi, pamodzi ndi kuwotcherera kwawo kwabwino kwambiri, imapangitsa kuti zikhale zotheka kupanga zolumikizira zolimba, zosadukiza zomwe zimatha kupirira kupsinjika ndi kutentha kwambiri. Kukana kwa abrasion kwa mapaipi a PP kumawonjezera kulimba kwawo, kuwonetsetsa kuti amatha kupirira kuwonongeka komwe kumakhudzana ndi kugwiritsidwa ntchito kosalekeza komanso kukhudzidwa ndi malo ovuta.
Kuphatikiza pa machitidwe awo amakina, mapaipi a PP amadziwikanso chifukwa champhamvu zawo zamatenthedwe ndi magetsi. Izi zikutanthauza kuti amatha kukana kusamutsidwa kwa kutentha ndi magetsi, kuwapanga kukhala oyenera kugwiritsidwa ntchito m'malo omwe kuwongolera kutentha ndi kutsekemera kwamagetsi ndikofunikira. Kutentha kwapamwamba mpaka 90 ̊C sikumakhudza kwambiri kukhulupirika kwa mapangidwe a mapaipi a PP m'kupita kwa nthawi, pamene kutentha kwanthawi yayitali kumakwera mpaka 110 ̊C kumaloledwanso bwino.
Ubwino winanso wofunikira wa mapaipi a PP ndikukana kwawo kwapadera kwamankhwala. Amagonjetsedwa kwambiri ndi madzi, acidic, ndi njira zoyambira, komanso mchere ndi zosungunulira zambiri. Izi zimawapangitsa kukhala chisankho choyenera kuti chigwiritsidwe ntchito m'mafakitale opangira mankhwala, malo opangira madzi, ndi ntchito zina zamafakitale komwe kukhudzana ndi mankhwala oopsa kumakhala kofala.
Zikafika pakujowina mapaipi a PP, kuwotcherera kwa fusion ndiyo njira yomwe imakonda. Kuchita zimenezi kumaphatikizapo kutenthetsa nsonga za mapaipiwo mpaka asungunuke, kenaka kuwasakaniza kuti apange cholumikizira champhamvu, chosasokoneka. Kuwotcherera kwa fusion kumapangitsa kuti cholumikiziracho chikhale cholimba ngati chitoliro chokha, chopanda zofooka kapena njira zotayikira.
Ponseponse, mapaipi a PP ndi chisankho chosunthika komanso chodalirika pamagwiritsidwe osiyanasiyana. Makhalidwe awo opepuka, olimba, komanso osamva mankhwala amawapangitsa kukhala njira yabwino kwambiri yogwiritsidwira ntchito m'mafakitale, pomwe mphamvu zawo zamatenthedwe ndi magetsi zimawapangitsa kukhala oyenera kugwiritsidwa ntchito pazinthu zina zosiyanasiyana. Kaya mukuyang'ana chitoliro chomwe chimatha kupirira kutentha kwambiri, mankhwala owopsa, kapena zonse ziwiri, mapaipi a PP ndi chisankho chabwino kwambiri chomwe chimapereka magwiridwe antchito komanso kukhazikika kwanthawi yayitali.
