Zoyenera kuchita ngati mtundu wa PVC foaming regulators ndi osauka?

Panthawi yopanga thovu la zinthu, mpweya wovunda ndi thovu umapanga thovu mu kusungunuka.Pali chizolowezi cha tinthu ting'onoting'ono tomwe timakulirakulira m'mathovu awa.Kukula ndi kuchuluka kwa thovu sizimangokhudzana ndi kuchuluka kwa thovu lomwe lawonjezeredwa, komanso mphamvu ya polima yosungunuka.Ngati mphamvuyo ndi yotsika kwambiri, mpweya ukhoza kuthawa mosavuta pa kufalikira pamwamba pa kusungunuka, ndipo tinthu tating'onoting'ono timaphatikizana kuti tipange thovu lalikulu.Unyolo wautali wa ma molekyulu a zowongolera zotulutsa thovu amamangiriridwa ndikutsatiridwa ndi maunyolo a PVC, ndikupanga maukonde ena.Kumbali imodzi, imalimbikitsa pulasitiki yakuthupi, ndipo imapangitsa kuti mphamvu ya PVC isungunuke bwino, kotero kuti khoma la thovu la thovu limatha kupirira kupanikizika kwa gasi mkati mwa selo la thovu panthawi yotulutsa thovu, kuti lisawonongeke. chifukwa cha mphamvu zosakwanira.Owongolera thovu amatha kupanga pores ang'onoang'ono komanso ochulukirapo, okhala ndi mawonekedwe ofananirako komanso omveka bwino, amachepetsa kwambiri kuchuluka kwa thupi la thovu.Kuperewera kwabwino kapena kusakwanira kwa zowongolera zotulutsa thovu kumatha kupangitsa kuti thovu likhale lolimba, zomwe zimapangitsa kuphulika kapena kuphulika kwa zingwe.

Kulemera kwa maselo ndi kukhuthala kwa zowongolera zotulutsa thovu zopangidwa ndi opanga osiyanasiyana zimasiyana kwambiri.Zinthu zotulutsa thovu zikathyoka kapena ming'oma ya zingwe, ndipo njira zina sizikugwira ntchito, kusintha chowongolera chomwe chimatulutsa thovu kapena kuwonjezera mlingo moyenera kumatha kubweretsa zotsatirapo zazikulu.Komabe, kuwonjezera kapena kusintha zowongolera zotulutsa thovu zokhala ndi mamolekyu apamwamba kwambiri kumatha kukulitsa kachulukidwe kazinthu chifukwa cha kukhuthala kwakukulu, komwe kumalepheretsa kukula kwa thovu pakusungunuka.Ndipo chifukwa mkulu mamasukidwe akayendedwe a Sungunulani, ndi fluidity adzawonongeka, chifukwa m`modzi kumaliseche nkhungu, zimakhudza flatness wa mbale pamwamba, ndipo ngakhale yochepa kupanga nthawi, zikubweretsa nkhungu phala kulephera, makamaka popanga mbale ndi makulidwe. pafupifupi 10 mm.