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Chii chaizvo chinonzi PVC?

Ndeapi maindasitiri anoshandiswa PVC mune?MYXJ_20220426105353981_fast_150

Zvichitaurwa zviri nyore, PVC ndiyo chidimbu chePolyvinyl Chloride Materials, ndeye polyvinyl chloride resin seyakanyanya mbishi, ichiwedzera huwandu hwakakodzera hweanorwisa kuchembera, modhifita, nezvimwewo, nekusanganisa, calendering, vacuum blister uye mamwe maitiro kubva pane izvo zvinhu. .

Parizvino, PVC zvinhu zvinoshandiswa zvakanyanya muindasitiri yemakemikari, kuvaka, machira eindasitiri midziyo yemidziyo, mapaipi, mabhomba uye akagadzirwa matehwe, waya uye tambo yekuvharisa, firimu repurasitiki, infusion mabhegi uye zvimwe zvinodiwa zvezuva nezuva.Iyo pachayo chinhu chisina kusimba, chinofanira kuwedzera DEHP nemamwe mapurasitiki kuitira kuti iwedzere kushanduka kwayo, iite munyoro firimu, mabhegi, mapaipi.

Hunhu hwekutanga: ndeimwe yepasirese kugadzirwa kwezvigadzirwa zvepurasitiki, zvakachipa, zvinoshandiswa zvakanyanya, PVC resin yewhite kana light yellow powder.Zvinoenderana nemashandisirwo akasiyana anogona kuwedzera akasiyana ekuwedzera, PVC plastiki inogona kuratidza akasiyana emuviri zvimiro uye michina zvinhu.

Zvigadzirwa zvakasiyana-siyana zvakaoma, zvakapfava uye zvakajeka zvinogona kugadzirwa nekuwedzera huwandu hwakafanira hweplasticizer muPVC resin.Kuwanda kwePVC yakachena i1.4 g/cm3, uye kuwanda kwezvikamu zvePVC zvepurasitiki zvine mapurasitiki nemafirita zvinowanzoita 1.15-2.00 g/cm3.

Unplasticized polyvinyl chloride ine yakanaka tensile, kukotama, compression uye kukanganisa kuramba.Inogona kushandiswa sechinhu chekugadzirisa chete.

Iko kupfava, kureba panguva yekuzorora uye kutonhora kuramba kwePVC yakapfava kuchawedzera, asi brittleness, kuoma uye kusimba kwesimba kunoderera.PVC kashoma yakanaka yemagetsi insulation kuita, inogona kushandiswa seyakaderera-frequency insulation zvinhu, kugadzikana kwayo kwemakemikari kwakanakawo.Nekuda kwehurombo hwekudziya kwePVC, kudziyisa kwenguva yakareba kuchaita kuti iparare, kuburitsa HCL gasi, kuita PVC discoloration, saka yayo nhete yekushandisa siyana, tembiricha yekushandisa inowanzo -15 ~ 55 madhigirii.

Kunyanya kushandiswa: nekuda kwekugadzikana kwemakemikari, inogona kushandiswa kugadzira anti-corrosion mapaipi, pombi fittings, mapaipi, centrifugal pombi uye blowers.PVC bhodhi rinoshandiswa zvakanyanya muindasitiri yemakemikari kugadzira marudzi ese ekuchengetedza tangi lining, kuvaka corrugated board, hwindo nemasuo chimiro, kushongedza kwemadziro uye zvimwe zvekuvaka.

Nekuda kwekunakisisa kwayo magetsi ekudzivirira, inogona kushandiswa muindasitiri yemagetsi neyemagetsi kugadzira mapulagi, zvigadziko, switch uye tambo.Muhupenyu hwezuva nezuva, PVC inoshandiswa kugadzirazvinyoro zvinyoro, shangu, raincoats, matoyi uye dehwe rekugadzira, nezvimwewo!


Nguva yekutumira: Feb-07-2023