Kodi pali kusiyana kotani pakati pa mapaipi a UPVC ndi PVC?

Kodi pali kusiyana kotani pakati pa UPVC ndi PVC?

Ngakhale mitundu yonse iwiri imagwiritsidwa ntchito kwambiri, pali kusiyana pakati pa UPVC ndi PVC.M'malo mwake, pali zinthu zingapo zomwe zimawateteza, tiyeni tiwone momwe amapangidwira komanso kugwiritsidwa ntchito.
kupanga ndondomeko

Nthawi zambiri, mitundu yonseyi imapangidwa kuchokera ku polymer polyvinyl chloride.Komabe, opanga omwe amapanga mapaipiwa amathanso kusakaniza mapulasitiki osiyanasiyana kuti azitha kugwira nawo ntchito.Mapulasitikiwa akapanda kugwiritsidwa ntchito, chitolirocho chimatchedwa UPVC.

Makhalidwe

Kusiyana pakati pa mapaipi a UPVC ndi PVC kumafikiranso ku katundu.Plasticizers amagwiritsidwa ntchito mu mapaipi a PVC, ndipo ma phthalates ndi omwe amapezeka kwambiri.Izi ndi zina zopangira pulasitiki ndizopanda fungo komanso zopanda mtundu.Akayikidwa mu PVC, amapangitsa kuti chitolirocho chikhale chopindika komanso chosinthika powonjezera kusinthasintha konse.UPVC ilibe zopangira pulasitiki, komanso UPVC ilibe BPA ya PVC.
Plasticizers amapangidwa pamene zidulo ndi ma alcohols amachitapo kanthu.Ma acid omwe amagwiritsidwa ntchito kwambiri ndi phthalic anhydride ndi adipic acid.Pali mitundu yosiyanasiyana ya mowa, ndipo kuphatikiza kwa ma asidi ndi mowa kumagwiritsidwa ntchito kuti adziwe mitundu ya esters ndi plasticizers yomwe ingapangidwe.

PVC chimagwiritsidwa ntchito m'malo mipope akale chitsulo, mapaipi simenti, etc. mu machitidwe ulimi wothirira, mipope zinyalala madzi ndi machitidwe dziwe.Kugwiritsa ntchito guluu kungagwiritsidwe ntchito kukonza, yomwe ndi yabwino kumanga.UPVC imadziwika chifukwa chokana mankhwala.Zimathandizanso kuti madzi aziyenda bwino chifukwa cha makoma amkati osalala.Ndizovuta kuposa PVC, koma zimatengedwa kuti ndi zamphamvu, zomwe zimapangitsa kuti zisamagwirizane ndi zovuta zosiyanasiyana zogwirira ntchito ndi kutentha.

Chithandizo

Mitundu iwiri ya mapaipi imayendetsedwa mofanana.Zida zina zamphamvu zodulira PVC ndi masamba a hacksaw apulasitiki ndi oyenera mitundu yonse ya mapaipi.Kusiyanitsa pakati pa ziwirizi kumagwirizana ndi kukula kusinthasintha.Mwachitsanzo, ngati PVC sinadulidwe ndendende, kusinthasintha kwake kumapangitsa kuti ikhale yokwanira bwino.Komabe, ndi uPVC, iyenera kudulidwa kuti ikhale yolondola kapena singagwire ntchito yomwe mukufuna.Izi zili choncho chifukwa ndi olimba ndipo sangathe kutambasula pang'ono ngati PVC.

Pomanga, mitundu yonse ya pulasitiki imagwiritsidwa ntchito popanga mapaipi osiyanasiyana.Mwachitsanzo, mapaipi akuluakulu a PVC angagwiritsidwe ntchito kuthandizira kusuntha madzi osamwa.Ntchito ina yodziwika bwino ndi zingwe, pomwe PVC yambiri imapereka zowonjezera zowonjezera.
Pomanga, uPVC ndi malo abwino olowa m'malo mwa matabwa nthawi zambiri.Mwachitsanzo, angagwiritsidwe ntchito kupanga mafelemu a zenera omwe amakhala olimba kwambiri ndipo amatha kupirira zinthu bwino kuposa matabwa.PVC yokhazikika singagwiritsidwe ntchito kupanga mafelemu a zenera.Izi ndichifukwa choti uPVC siwola, koma PVC wamba imawola.PVC wamba ndiyosamva zikopa ngati UPVC.Ogwira ntchito yomanga amatha kugwiritsanso ntchito izi m'malo mwa chitsulo chotayira pomanga ngalande zolemetsa ndi mapaipi