HAIKUO PVC yeeb nkab yog tsim los ntawm polyvinyl chloride, thiab lwm yam khoom xyaw ntxiv los txhim kho nws cov cua sov, toughness thiab ductility raws li cov ntaub ntawv kawm. Cov txheej txheem saum toj kawg nkaus ntawm lub xov tooj ntawm tes no yog lacquer, cov khoom tseem ceeb hauv nruab nrab yog polyvinyl chloride, thiab hauv qab txheej yog cov nplaum rov qab.
PVC yas reinforced hose yog ib hom khoom siv hluavtaws uas nrov heev niaj hnub no thiab kuj tau siv dav. Nws yog qhov thib ob-siab tshaj plaws thoob ntiaj teb siv ntau yam khoom siv hluavtaws. Raws li kev txheeb cais, nws tsuas yog siv sijhawm ib xyoos hauv xyoo 1995, thiab tseem muaj txog li 5 lab tons ntawm PVC tsim muaj peev xwm hauv Tebchaws Europe, thaum nws noj yog 53,000 tons. Nyob rau hauv lub teb chaws Yelemees, zus tau tej cov PVC muaj ib tug nruab nrab noj ntawm 1.4 lab tons.
PVC yeeb nkab (muab faib rau PVC-U yeeb nkab, PVC-M yeeb nkab thiab PVC-O yeeb nkab) Rigid polyvinyl chloride yeeb nkab yog ua los ntawm polyvinyl chloride hluavtaws resin, stabilizers, lubricants, thiab lwm yam, thiab ces extruded los ntawm txawv kub nias txoj kev. Tshuab molding yog cov yeeb nkab yas thaum ntxov uas tuaj yeem tsim tau zoo rau kev lag luam kev siv.
PVC-U yeeb nkab muaj zog corrosion kuj, yooj yim adhesion, tsis tshua muaj nqi thiab tawv zoo nkauj, tab sis vim lub exudation ntawm PVC-U monomer thiab additives, nws tsuas yog haum rau cov dej siv nrog ib tug conveying kub tsis tshaj 45 degree. Cov kav dej yas yog siv rau hauv cov kav dej, dej khib nyiab, tshuaj, cua sov thiab cua txias, khoom noj khoom haus, kua dej ultrapure, slurries, gases, compressed cua thiab lub tshuab nqus tsev siv.
HAIKUO PVC yeeb nkab, tseem hu ua biaxially oriented polyvinyl chloride, yog qhov kev txhim kho tshiab ntawm polyvinyl chloride yeeb nkab. Cov raj yog tsim los ntawm cov txheej txheem kev taw qhia tshwj xeeb. Lub pvc-u yeeb nkab uas tsim los ntawm txoj kev extrusion yog stretched axially thiab radially, thiab cov saw ntev pvc molecules yog teem nyob rau hauv cov kev taw qhia ntawm biaxial stretching, thiab ib tug tshiab hom pvc yeeb nkab nrog siab zog, zoo toughness, tej yam kuj thiab qaug zog kuj. tuaj yeem tau.
