Kodi ma granules a PVC ndi chiyani?

PVC ndi imodzi mwamapulasitiki omwe amagwiritsidwa ntchito kwambiri pamakampani.Plasticol, kampani ya ku Italy yomwe ili pafupi ndi Varese yakhala ikupanga ma granules a PVC kwa zaka zoposa 50 tsopano ndipo zochitika zomwe zinasonkhanitsidwa kwa zaka zambiri zinapangitsa kuti bizinesiyo ikhale ndi chidziwitso chakuya kotero kuti tsopano tingagwiritse ntchito kukhutiritsa makasitomala onse. ' zopempha zopereka zinthu zatsopano komanso zodalirika.

Mfundo yakuti PVC imagwiritsidwa ntchito kwambiri popanga zinthu zambiri zosiyanasiyana imasonyeza momwe mawonekedwe ake enieni ndi othandiza kwambiri komanso apadera.Tiyeni tiyambe kulankhula za kulimba kwa PVC: zinthuzo zimakhala zowuma kwambiri ngati zoyera koma zimakhala zosinthika ngati zosakanikirana ndi zinthu zina.Makhalidwe apaderawa amapangitsa PVC kukhala yoyenera kupanga zinthu zomwe zimagwiritsidwa ntchito m'magawo osiyanasiyana, kuyambira pakumanga mpaka kumagalimoto.

Komabe, si chinthu chilichonse chodziwika bwino chomwe chili choyenera.Kutentha kosungunuka kwa polima iyi ndikotsika kwambiri, zomwe zimapangitsa PVC kukhala yosayenera kwa malo omwe kutentha kwambiri kumatha kufikako.

Kuphatikiza apo, zoopsa zimatha kuyambika chifukwa, ngati kutentha kwambiri, PVC imatulutsa mamolekyu a chlorine ngati hydrochloric acid kapena dioxin.Kukhudzana ndi mankhwalawa kungayambitse zovuta za thanzi.

Kuti polima igwirizane ndi kupanga kwake kwa mafakitale, imasakanizidwa ndi zokhazikika, zopangira mapulasitiki, zopaka utoto, ndi zothira mafuta zomwe zimathandiza popanga komanso kupanga PVC kukhala yofewa komanso yosatha kung'ambika.

Kutengera ndi mawonekedwe ake komanso kuopsa kwake, ma granules a PVC amayenera kupangidwa m'zomera zapadera.Plasticol ili ndi mzere wopanga wongoperekedwa kuzinthu zapulasitiki izi.

Gawo loyamba la kupanga ma granules a PVC ndi kupanga machubu aatali azinthu zopangidwa ndi chomera chapadera cha extrusion.Chotsatira ndicho kudula pulasitiki mu mikanda yaying'ono kwambiri.Njirayi ndiyosavuta kwenikweni, koma ndikofunikira kwambiri kusamala mukamagwiritsa ntchito nkhaniyo, kutengera njira zomwe zingapangitse kuti zikhale zovuta kwambiri.