PVC board yog dab tsi? Cov khoom tseem ceeb ntawm PVC board yog PVC, thiab lwm yam khoom siv ntxiv los txhim kho nws cov cua sov, toughness, ductility, thiab lwm yam. Cov txheej txheem saum toj no ntawm lub ntsej muag lub ntsej muag yog xim, cov khoom tseem ceeb hauv nruab nrab yog PVC, thiab cov txheej txheem qis. yog rov qab coated nrog nplaum. Nws yog ib hom khoom siv hluavtaws uas nrov thiab siv dav hauv ntiaj teb.
Nws kev siv thoob ntiaj teb yog qhov thib ob siab tshaj plaws ntawm ntau yam khoom siv hluavtaws. Raws li kev txheeb cais, xyoo 1995 ib leeg, kev tsim cov khoom tsis yog PVC hauv Tebchaws Europe yog kwv yees li 5 lab tons, thaum nws noj yog 5.3 lab tons. Nyob rau hauv lub teb chaws Yelemees, qhov nruab nrab ntau lawm thiab noj ntawm PVC yog 1.4 lab tons. PVC tau tsim thiab siv thoob plaws ntiaj teb ntawm kev loj hlob ntawm 4 feem pua.
Nyob rau hauv xyoo tas los no, PVC tau nce ntau nyob rau hauv cov teb chaws Asia, uas yog vim qhov kev xav tau ceev rau kev tsim kho vaj tse nyob rau hauv cov teb chaws Es Xias Qab Teb Hnub Tuaj. Ntawm cov ntaub ntawv uas tuaj yeem tsim peb-dimensional daim npog ntsej muag, PVC yog cov khoom tsim nyog dua.
PVC tuaj yeem muab faib ua mos PVC thiab tawv pvc Hard PVC nyiaj txog li 2/3 ntawm kev ua lag luam thiab cov nyiaj muag PVC rau 1/3 Cov PVC feem ntau yog siv rau hauv pem teb, qab nthab thiab tawv tawv. Txawm li cas los xij, vim tias cov PVC mos muaj cov khoom siv softener (uas kuj yog qhov sib txawv ntawm cov mos PVC thiab tawv PVC), nws yooj yim los ua nkig thiab nyuaj rau khaws cia, yog li nws txoj kev siv yog txwv. Hard PVC tsis muaj softener, yog li nws hloov tau yooj yim, yooj yim tsim, tsis yooj yim rau nkig, tsis muaj tshuaj lom thiab tsis muaj kuab paug, thiab muaj lub sijhawm cia ntev. Yog li ntawd, nws muaj kev loj hlob zoo thiab kev siv tus nqi.
Lub ntsiab ntawm PVC yog ib hom ntawm lub tshuab nqus tsev yas zaj duab xis, uas yog siv rau lub nto ntim ntawm ntau yam panels, yog li nws kuj yog hu ua zoo nkauj zaj duab xis thiab nplaum zaj duab xis, thiab yog siv nyob rau hauv lub tsev cov ntaub ntawv, ntim, tshuaj thiab ntau lwm yam lag luam. Ntawm lawv, kev lag luam khoom siv hauv tsev suav nrog ntau qhov kev faib ua feem, suav txog 60 feem pua , ua raws li kev lag luam ntim khoom, thiab ntau lwm yam kev lag luam nrog cov ntawv thov me me.
