Nyob zoo os! Yog tias koj puas tau xav txog cov khoom siv uas tsim lub ntiaj teb nyob ib puag ncig peb, PVC tej zaum yog ib qho uas tshwm sim ntau zaus dua li koj paub. Txij li cov kav dej uas nqa dej mus rau hauv peb lub tsev mus rau hauv pem teb ruaj khov hauv peb chaw ua haujlwm, cov khoom ua si uas peb cov menyuam ua si nrog, thiab txawm tias cov tsho tiv nag uas ua rau peb qhuav - PVC nyob txhua qhov chaw. Tab sis ntawm no yog qhov zais me ntsis: tsis muaj ib yam khoom twg yuav tuav tau ib nrab zoo yog tsis muaj cov khoom xyaw tseem ceeb ua haujlwm tom qab qhov xwm txheej:Cov khoom siv PVC stabilizer.
Cia peb pib nrog cov hauv paus. PVC, lossis polyvinyl chloride, yog ib yam khoom zoo heev. Nws muaj zog, siv tau ntau yam, thiab hloov tau yooj yim heev, yog vim li cas nws thiaj siv rau hauv ntau yam khoom. Tab sis zoo li ntau yam zoo, nws muaj qhov tsis zoo me me: nws tsis nyiam cua sov lossis tshav ntuj heev. Raws li lub sijhawm dhau mus, kev raug rau cov ntsiab lus no tuaj yeem ua rau PVC tawg - ib qho txheej txheem hu ua kev puas tsuaj. Qhov no tuaj yeem ua rau cov khoom tawg yooj yim, tsis muaj xim, lossis tsuas yog tsis ua haujlwm zoo.
Qhov ntawd yog qhov uas cov stabilizers nqis los rau hauv.Xav txog lawv ua cov neeg saib xyuas PVC, ua haujlwm hnyav kom nws nyob rau hauv qhov zoo tshaj plaws. Cia peb piav qhia vim li cas lawv thiaj li tseem ceeb heev: Ua ntej tshaj plaws, lawv ua rau lub neej ntawm cov khoom PVC ntev dua. Yog tsis muaj cov tshuaj stabilizers, cov yeeb nkab PVC hauv qab koj lub dab dej yuav pib tawg tom qab ob peb xyoos ntawm kev siv dej kub, lossis cov khoom ua si menyuam yaus muaj yeeb yuj yuav ploj mus thiab tawg vim zaum hauv lub hnub. Cov tshuaj stabilizers ua rau cov txheej txheem lwj qeeb, txhais tau tias koj cov khoom PVC kav ntev dua - txuag koj cov nyiaj thiab txo cov khib nyiab hauv lub sijhawm ntev.
Lawv kuj tseem ua kom PVC ua tau zoo tshaj plaws. PVC paub tias nws ruaj khov, muaj zog, thiab tiv taus hluav taws - cov yam ntxwv uas peb vam khom rau txhua yam los ntawm cov thav duab qhov rai mus rau kev rwb thaiv hluav taws xob. Cov khoom ruaj khov ua kom cov yam ntxwv no nyob ruaj khov. Xav txog lub qhov rais PVC uas khoov hauv lub caij ntuj sov kub lossis lub rwb thaiv hluav taws xob uas poob nws cov yam ntxwv tiv thaiv dhau sijhawm - cov khoom ruaj khov tiv thaiv qhov ntawd. Lawv pab PVC tswj nws lub zog, kev ywj pheej (hauv cov khoom mos dua), thiab kev tiv taus hluav taws, yog li nws ua raws nraim li nws yuav tsum ua, txhua hnub.
Lwm qhov zoo ntxiv? Cov khoom ruaj khov ua rau PVC hloov tau yooj yim rau ntau qhov chaw sib txawv. Txawm tias nws yog lub hnub kub kub hnyiab rau ntawm pem teb sab nraum zoov, qhov kub siab hauv cov chaw ua haujlwm, lossis qhov raug dej noo tas li hauv cov kav dej, cov khoom ruaj khov pab PVC tuav nws thaj av. Ntau hom khoom ruaj khov—xws licalcium-zinc, barium-zinc, los yogorganiccov hom tin - tau tsim los daws cov teeb meem tshwj xeeb, xyuas kom meej tias muaj kev daws teeb meem rau yuav luag txhua qhov xwm txheej.
Yog li ntawd, lub sijhawm tom ntej koj yuav khoom PVC, siv sijhawm los txaus siab rau cov stabilizers ua lawv txoj haujlwm. Lawv yuav tsis yog lub hnub qub ntawm qhov yeeb yam, tab sis lawv yog cov phab ej tsis muaj npe uas ua rau PVC yog cov khoom siv txhim khu kev qha, siv tau ntau yam uas peb txhua tus vam khom. Txij li kev ua kom peb lub tsev ruaj ntseg nrog cov thav duab qhov rai ruaj khov mus rau kev ua kom peb cov khoom ua si nyob ruaj ntseg tau ntau xyoo, cov stabilizers yog qhov laj thawj uas PVC tseem yog ib qho tseem ceeb hauv ntau qhov ntawm peb lub neej.
Puas tau xav tias ua cas ib yam khoom PVC thiaj zoo nkauj ntev ua luaj? Tej zaum, ib lub stabilizer zoo yog ib feem ntawm cov lus teb!
Lub sijhawm tshaj tawm: Cuaj hlis-08-2025