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Kodi PVC ya pulasitiki ndi chiyani?

Maonedwe: 29     Wolemba: Mkonzi Wosindikiza Nthawi: 2022-03-25: Tsamba

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Kuyambitsa mwachidule za PVC

PVC, dzina lathunthu ndi polyvinylchloride, gawo lalikulu ndi polyvinyl chloride, ndipo zina zimawonjezeredwa kuti zithandizire kutentha kwake, kulimba, ndi zina.PVC-Rigid-to-Macy

Zigawo  zitatu za pulasitiki za PVC

Wosanjikiza wapamwamba wa PVC ndi lacquer, gawo lalikulu pakati ndi polyvinyl chloride, ndipo pansi pa chosanjikiza ndi mabatani ophikira.

PVC Global Kugwiritsa ntchito

Zinthu za PVC ndizokondedwa, zotchuka, zopangidwa mwamphamvu m'dzikoli masiku ano. Kugwiritsa ntchito kwake kwapadziko lonse ndi kwakukulu kwambiri pakati pa zinthu zonse zopangidwa. Malinga ndi ziwerengero, mu 1995 yekha, kupanga pvc ku Europe inali matani pafupifupi matani 5 miliyoni, pomwe kugwiritsidwa ntchito kwake kunali matani 5.3 miliyoni. Ku Germany, kupanga pvc ndi kugwiritsa ntchito matani mamiliyoni 1.4. PVC ikupangidwa ndikugwiritsidwa ntchito padziko lonse lapansi pakukula kwa 4%. Kukula kwa pvc ku Southeast Asia ndikofunika kwambiri, chifukwa cha kufunika kwa ntchito yomanga yakum'mawa kwa mayiko aku Southeast ku Southeast ku Southeast Mariast kumayiko. Zina mwazinthu zomwe zimatha kupanga mafilimumiyo atatu, pvc ndizinthu zoyenera kwambiri.

Mitundu yosiyanasiyana ya pulasitiki ya PVC

PVC ikhoza kugawidwa mu filimu yofewa ya PVC ndi Rigid PVC. Pakati pawo, maakaunti okhazikika a PVC cha 2/3 pamsika, ndi maakaunti ofewa a PVC kwa 1/3. Kanema wofewa wa PVC nthawi zambiri amagwiritsidwa ntchito padziko lonse lapansi, madenga, ndi zikopa. Koma chifukwa ndi pvc yofewa yomwe ili yofewa, ndikosavuta kukhala wopanda phokoso komanso kovuta kusunga, kotero kukula kwake kumakhala kochepa. Uku ndi kusiyana pakati pa filimu yofewa ya PVC ndi Rigid PVC. Mapepala okhwima a PVC alibe softean, motero amakhala ndi kusinthasintha, kosavuta kupanga, osati kovuta kukhala wopanda pake, wopanda poizoni ndi kuwonongeka kwaulere, ndipo amakhala ndi nthawi yayitali yosungirako. Chifukwa cha zabwino zake zodziwikiratu, ili ndi kukula kwakukulu ndi kufunikira.


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