PVC ndi pulasitiki wamba yomwe imapangidwa kawirikawiri m'mapaipi ndi ma sheet, mafilimu, etc.
Ndi mtengo wotsika ndipo ali ndi kulolera kwina kwa ma acid ena, alkalis, mchere, ndi ma solt, ndikupangitsa kuti ikhale yoyenera kulumikizana ndi zinthu zamafuta. Itha kupangidwa kukhala mawonekedwe owoneka bwino kapena opaque monga amafunikira, ndipo ndikosavuta kukomera. Amagwiritsidwa ntchito kwambiri pomanga, waya ndi chingwe, ma CD, magetsi, zamankhwala komanso minda ina.
Komabe, pvc ali ndi chokhazikika chowoneka bwino ndipo amakonda kuwonongeka pa proterateride, kumasula hydrogen chloride (HCL), chifukwa chosinthana ndi zinthu. PVC yoyera imakhala yopanda pake, makamaka yomwe imatha kusweka pa kutentha pang'ono, ndipo kumafuna kuwonjezera kwa mafayilo osintha kuti kusinthasintha. Imakhala ikukana nyengo, ndipo ndikadzayatsidwa ndi kuwunika kwa nthawi yayitali, pvc imakonda kukalamba, kuputa, kufooka, ndi zina zambiri.
Chifukwa chake, opanga ma pvc ayenera kuwonjezeredwa panthawi yokonza bwino kuti kuwonongeka kwa marrmal, kukulitsa moyo, kumawoneka, ndikusintha magwiridwe antchito.
Kupititsa patsogolo magwiridwe antchito ndi mawonekedwe a chomaliza, opanga opanga nthawi zambiri amawonjezera zowonjezera zochepa. KuwonjezeraObaimatha kukonza kuyera kwa zinthu za PVC. Poyerekeza ndi njira zina zoyera, pogwiritsa ntchito oba ali ndi mtengo wotsika ndi zovuta zina, ndikupangitsa kukhala koyenera kupanga kwakukulu.Ma antioxidants, Kukhazikika, Mafuta a UVMapulasitiki, ndi zina mwa zinthu zabwino zowonjezera moyo wamoyo.
Post Nthawi: Feb-10-2025