Hauv khw muag khoom tawv tawv, PVC tawv thiab PU tawv yog ob qho khoom siv, tab sis muaj qhov sib txawv tseem ceeb ntawm lawv.
PVC tawv, feem ntau yog ua los ntawm polyvinyl chloride, yog cov khoom siv tawv tawv tawv. Nws tus nqi feem ntau pheej yig heev, uas yog ib qho ntawm cov laj thawj rau nws txoj kev siv dav hauv qee cov khoom siv qis. Txawm li cas los xij, PVC tawv muaj qee qhov tsis zoo, xws li nws cov pa tsis zoo, uas yuav ua rau cov neeg siv kub thiab tsis xis nyob thaum siv.
Hauv qhov sib piv, PU tawv yog hom tawv tawv nrog kev ua tau zoo dua. Nws yog tsim los ntawm polyurethane feem ntau, muab kev ua pa zoo dua thiab, nrog kev ntxhib los mos uas zoo ib yam li cov tawv nqaij, muab kev xav zoo. PU tawv muaj zog tiv taus hnav thiab hydrolysis, ua rau nws siv tau ntev.
Cov txheej txheem pab foaming tus neeg sawv cev HF800 tsim los ntawm Zhongmai Co., Ltd. kuj tau nyiam ntau yam. Qhov no PVC tawv tshwj xeeb pab tau zoo thermal mechanical zog, zoo elasticity, thiab zoo heev foaming kev ua tau zoo. Nws kuj muaj cov kuab tshuaj zoo heev thiab tuaj yeem siv ua ke nrog acids, est, chloroform, thiab lwm yam.
Nws yog ib qho tseem ceeb rau cov neeg siv khoom kom nkag siab qhov sib txawv ntawm PVC tawv thiab PU tawv. Thaum yuav cov khoom tawv tawv, ib tus yuav tsum xaiv cov khoom tsim nyog raws li lawv cov kev xav tau tiag tiag thiab nyiaj txiag. Lub caij no, nws cia siab tias cov tuam txhab muaj feem cuam tshuam tuaj yeem tsim kho tshiab thiab txhim kho cov khoom lag luam zoo, nqa cov khoom lag luam zoo thiab ib puag ncig zoo rau cov tawv nqaij.
