Vim li cas qee qhov khau tiv thaiv zoo li qub hloov ua daj?
Vim li cas qee qhov khau tiv thaiv zoo li qub tig daj thaum hnav tau ib pliag? Peb txhua tus paub tias cov khau thaiv kev tiv thaiv zoo li qub yog siv los tso hluav taws xob zoo li qub los ntawm tib neeg lub cev los ntawm kev sib tiv tauj ntawm ib leeg thiab hauv av, yog li ua kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm lossis cov khoom zoo. Tom qab ntawd puas yellowing ntawm lub ib leeg yuav cuam tshuam rau kev ua haujlwm ntawm antistatic?
Qhov tseeb, qhov laj thawj yog vim li cas los tiv thaiv cov khau zoo li qub hloov daj yog khoom siv ntawm cov khoom los tiv thaiv khau zoo li qub. Cov khoom siv no yog cov khoom siv PU. PU yog cov khoom siv polyurethane. Nws yog yooj yim degraded tom qab kis rau huab cua. Tom qab siv sijhawm ntev, nws yuav daj thiab hydrolyze. Nws hloov daj ntseg daj, thiab raws li lub sijhawm dhau mus, tus ntxhais yuav ua yellower. Qhov tob ntawm cov xim ntawm qee cov khau tiv thaiv zoo li qub yog qhov sib txawv, vim hais tias cov neeg sib txawv coj tus cwj pwm sib txawv, uas ua rau muaj qhov sib txawv ntawm cov khaub ncaws tiv thaiv zoo li qub daj.
Cov khau tiv thaiv zoo li qub ua los ntawm PU cov khoom siv muaj cov cuab yeej zoo, tsis tshua muaj ntom, mos mos, zoo elasticity, xis nyob sab taw, lub teeb yuag, thiab tsis muaj ko taw. Nws yog qhov tsim nyog dua rau cov neeg uas sawv kev ntev. Qhov tsis zoo yog tias nws yuav yooj yim daj, txawm hais tias cov khoom siv PU tiv taus. Cov khau khov kho tig daj yog qhov pom tseeb dua, tab sis koj tsis tas yuav txhawj xeeb, qhov hloov xim tau muaj qhov cuam tshuam me me ntawm qhov kev tiv thaiv zoo li qub los ntawm kev tiv thaiv khau zoo li qub, koj tuaj yeem siv txuas ntxiv.