Koj nyob ntawm no: Tsev » Xov xwm » Qhov txawv ntawm Pvc thiab Cpvc yog dab tsi?

Qhov txawv ntawm Pvc thiab Cpvc yog dab tsi?

Cov Saib: 0 Tus Sau: Tus Kho Lub Vev Xaib Lub Sijhawm Tshaj Tawm: 2025-10-22 Keeb Kwm: Qhov chaw

Koj puas tau xav paub tias PVC thiab CPVC txawv li cas? Kev nkag siab txog cov ntaub ntawv no yog qhov tseem ceeb rau ntau yam kev siv.

Hauv tsab xov xwm no, peb yuav tshawb nrhiav qhov sib txawv tseem ceeb ntawm PVC thiab CPVC, suav nrog lawv cov khoom thiab kev siv. Koj tseem yuav kawm txog kev siv cov khoom siv PVC thiab thaum twg yuav tsum xaiv txhua hom.

0.5 hli 1 hli pob tshab tawv PVC daim ntawv

Nkag Siab Txog PVC Thiab CPVC

PVC yog dab tsi?

PVC , los yog Polyvinyl Chloride, yog ib hom yas uas siv tau ntau yam hauv ntau yam lag luam. Nws paub txog nws txoj kev ruaj khov thiab tiv taus tej yam ib puag ncig. Nov yog qee yam ntxwv ntawm PVC:

● Lub teeb yuag: Yooj yim rau kev tuav thiab thauj.

● Tsim nyog tus nqi: Feem ntau pheej yig dua li ntau lwm txoj hauv kev.

● Kev Tiv Thaiv Tshuaj: Tiv taus cov kua qaub thiab cov alkalis, ua rau nws tsim nyog rau cov kav dej thiab cov khoom siv.

Cov Txheej Txheem Tsim Khoom ntawm PVC

Kev tsim cov PVC muaj xws li polymerizing vinyl chloride monomer (VCM). Cov txheej txheem no feem ntau suav nrog:

1. Kev ua kom polymerization: VCM raug cua sov thiab raug rau siab, ua rau muaj cov PVC resin.

2. Cov Khoom Ntxiv: Ntau yam khoom ntxiv, xws li cov khoom ruaj khov thiab cov khoom yas, raug sib xyaw ua ke los txhim kho kev ua tau zoo.

3. Kev Txhaj Tshuaj thiab Kev Rho Tawm: Cov roj hmab ces raug tsim ua cov khoom los ntawm kev txhaj tshuaj lossis kev rho tawm.

CPVC yog dab tsi?

CPVC sawv cev rau Chlorinated Polyvinyl Chloride. Nws zoo ib yam li PVC tab sis tau dhau los ntawm cov txheej txheem chlorination. Qhov kev hloov kho no muab CPVC cov yam ntxwv tshwj xeeb, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov kub siab.

Qhov Txawv Tseem Ceeb ntawm PVC Txheem

Txawm hais tias ob qho tib si cov ntaub ntawv muaj qee qhov zoo sib xws, qhov sib txawv tseem ceeb suav nrog:

● Kev Tiv Thaiv Kub: CPVC tuaj yeem tiv taus qhov kub siab dua, ua rau nws zoo tagnrho rau cov tshuab dej kub.

● Kev Tiv Thaiv Tshuaj: CPVC muaj kev tiv thaiv zoo dua rau qee yam tshuaj piv rau PVC.

● Daim Ntawv Thov: CPVC feem ntau siv rau hauv cov kav dej thiab cov ntawv thov kev lag luam, qhov twg kub thiab tshuaj lom neeg raug ntau heev.

Cov Txheej Txheem Tsim Khoom ntawm CPVC

Kev tsim cov CPVC suav nrog kev siv cov tshuaj chlorinating PVC resin. Nov yog nws ua haujlwm li cas:

1. Kev siv tshuaj chlorine: PVC raug kho nrog cov roj chlorine, ua rau nws cov tshuaj chlorine ntau ntxiv.

2. Kev Ua: Zoo ib yam li PVC, CPVC raug ua tiav rau ntau yam, xws li cov kav dej thiab cov khoom siv.

3. Kev Tswj Xyuas Zoo: Kev sim ua kom cov khoom siv ua tau raws li cov qauv kev lag luam rau kev nyab xeeb thiab kev ua tau zoo.

Qhov Txawv Tseem Ceeb Ntawm PVC thiab CPVC

Cov Tshuaj Lom Zem

PVC thiab CPVC txawv feem ntau hauv lawv cov qauv tshuaj.

● PVC (Polyvinyl Chloride): Muaj cov khoom siv rov ua dua vinyl chloride.

● CPVC (Chlorinated Polyvinyl Chloride): Zoo ib yam li PVC tab sis muaj cov chlorine atoms ntxiv.

Cov txheej txheem chlorine no ua rau qee yam khoom zoo dua. Piv txwv li, nws ua rau CPVC tiv taus cua sov thiab tshuaj lom neeg, ua rau nws tsim nyog rau cov ntawv thov uas nyuaj dua.

Kev Tiv Thaiv Kub

Thaum nws los txog rau kev ua kom sov, CPVC ua tau zoo dua PVC.

● Cov Ntsiab Lus Yaj:

○ PVC: Feem ntau yaj li ntawm 75°C (167°F).

○ CPVC: Muaj peev xwm tiv taus qhov kub txog li 90 ° C (194 ° F).

Qhov sib txawv no tseem ceeb heev rau cov ntawv thov xws li cov kav dej, qhov twg dej kub raug ntau. CPVC feem ntau yog qhov kev xaiv zoo tshaj plaws hauv cov xwm txheej no.

Kev Tiv Thaiv Tshuaj

Ob qho tib si cov ntaub ntawv muaj kev tiv thaiv tshuaj lom neeg, tab sis CPVC zoo tshaj plaws hauv cov chaw tshwj xeeb.

● PVC: Tiv taus ntau yam kua qaub thiab cov hauv paus, tab sis tsis yog txhua yam.

● CPVC: Tiv taus ntau yam tshuaj lom neeg, suav nrog cov kuab tshuaj chlorine.

Piv txwv ntawm Cov Chaw Zoo Tshaj Plaws rau CPVC:

● Cov chaw ua tshuaj lom neeg

● Cov tshuab dej kub

● Cov ntawv thov kev lag luam

Lub Zog Kho Tshuab

Cov khoom siv kho tshuab kuj sib txawv ntawm PVC thiab CPVC.

● PVC: Muaj lub zog tensile zoo tab sis tuaj yeem tsis ruaj khov nyob rau hauv cov xwm txheej hnyav.

● CPVC: Feem ntau muaj kev tiv taus kev cuam tshuam thiab lub zog tensile siab dua.

Cov Xwm Txheej Uas Xav Tau Lub Zog Siab:

● Cov kav dej ua haujlwm hnyav

● Cov ntawv thov siab

● Cov khoom siv hauv kev tsim kho

Kev Sib Piv Tus Nqi

Tus nqi feem ntau yog qhov txiav txim siab thaum xaiv ntawm PVC thiab CPVC.

● PVC: Feem ntau pheej yig dua, ua rau nws yog ib qho kev xaiv nrov rau ntau daim ntawv thov.

● CPVC: Kim dua vim nws cov khoom zoo dua thiab cov txheej txheem ntau lawm.

Cov Yam Uas Cuam Tshuam Rau Kev Hloov Pauv Nqe:

● Kev thov ntawm kev ua lag luam

● Cov nqi khoom siv raw

● Cov kev cai tshwj xeeb rau daim ntawv thov

Kev nkag siab txog cov qhov sib txawv tseem ceeb no pab txiav txim siab txog cov khoom siv twg rau ntau yam kev siv, tshwj xeeb tshaj yog thaum xav txog Kev siv cov khoom siv PVC.

Cov Khoom Siv PVC

Cov Ntawv Thov Siv PVC

PVC yog ib yam khoom siv tau ntau yam siv rau ntau yam lag luam. Nws lub zog ruaj khov thiab tus nqi tsim nyog ua rau nws yog ib qho kev xaiv nrov. Nov yog qee qhov kev siv dav dav:

● Kev Tsim Kho: PVC siv dav rau cov kav dej, cov ntsa, thiab cov thav qhov rai.

● Ntim Khoom: PVC uas yoog tau siv rau hauv cov ntaub qhwv khoom noj thiab cov thawv.

● Kev Kho Mob: PVC pom muaj nyob rau hauv cov raj kho mob thiab cov hnab ntshav.

Piv txwv tshwj xeeb ntawm cov khoom PVC

1. Cov Kav Dej PVC: Tseem ceeb rau cov kav dej thiab cov kav dej ntws.

2. Cov Ntawv PVC: Siv rau hauv cov paib thiab cov teeb meem tiv thaiv.

3. Daim Npav PVC: Feem ntau siv rau daim npav ID thiab daim npav ua tswv cuab.

Cov Ntawv PVC Ntshiab

Cov ntawv PVC ntshiab yog qhov tshwj xeeb tshaj yog siv rau ntau yam kev siv:

● Ntim Khoom Noj: Lawv muab ib qho thaiv tiv thaiv cov dej noo thiab cov kuab paug.

● Cov Khoom Qhia: Cov ntawv ntshiab ua kom pom tseeb dua thiab tiv thaiv cov khoom.

Cov Ntawv Xim PVC

Cov ntawv PVC muaj yeeb yuj ua haujlwm ntau lub hom phiaj:

● Kev Tshaj Tawm: Zoo meej rau cov banners thiab cov zaub tshaj tawm.

● Kev Luam Ntawv: Siv rau cov duab kos thiab cov qauv tsim uas ci ntsa iab.

Daim Npav PVC

Cov ntawv PVC ua lub luag haujlwm tseem ceeb hauv kev txheeb xyuas:

● Daim Npav ID: Feem ntau siv rau hauv tsev kawm ntawv thiab chaw ua haujlwm rau kev tswj kev nkag mus.

● Daim Npav Ua Tswv Cuab: Siv los ntawm cov koom haum thiab cov koom haum rau kev txheeb xyuas tus tswv cuab.

PVC Binding Cover

Cov ntaub thaiv uas ua los ntawm PVC yog qhov tseem ceeb rau kev nthuav qhia cov ntaub ntawv:

● Kev Tiv Thaiv: Lawv tiv thaiv cov ntaub ntawv tseem ceeb kom tsis txhob puas tsuaj.

● Kev Zoo Nkauj Tshaj Lij: Txhim kho qhov zoo nkauj ntawm cov ntawv qhia thiab kev nthuav qhia.

Cov Kev Siv Dav Dav ntawm CPVC

CPVC feem ntau yog siv rau hauv cov lag luam uas xav tau kev tiv taus kub siab. Nws cov yam ntxwv tshwj xeeb ua rau nws haum rau cov ntawv thov tshwj xeeb. Nov yog cov lus piav qhia txog qhov twg CPVC ci ntsa iab:

● Cov kav dej: Zoo tagnrho rau cov tshuab dej kub thiab dej txias.

● Kev Ua Tshuaj Lom Zem: Siv rau hauv cov chaw uas muaj kev txhawj xeeb txog kev raug tshuaj lom neeg.

Piv txwv ntawm cov khoom CPVC

1. Cov Kav Dej CPVC: Tsim tshwj xeeb rau kev thauj dej kub.

2. Cov Khoom Siv: Qhov tseem ceeb rau kev txuas cov kav dej hauv ntau lub tshuab.

CPVC hauv Cov Tshuab Dej Kub

CPVC yog qhov tshwj xeeb tshaj yog rau cov ntawv thov kub siab:

● Kev Tiv Thaiv Kub: Muaj peev xwm tswj tau qhov kub txog li 90°C (194°F).

● Kev Ruaj Khov: Tswj tau qhov ruaj khov ntawm cov qauv thaum muaj kev ntxhov siab, ua rau nws zoo tagnrho rau kev siv dej hauv tsev thiab kev lag luam.

Los ntawm kev nkag siab txog cov khoom siv PVC no, koj tuaj yeem nkag siab zoo dua txog qhov ua tau ntau yam thiab qhov tseem ceeb ntawm cov ntaub ntawv no hauv kev siv txhua hnub.

Qhov Zoo thiab Qhov Tsis Zoo ntawm PVC thiab CPVC

Qhov zoo ntawm PVC

PVC yog qhov kev xaiv nrov rau ntau daim ntawv thov vim nws muaj ntau yam txiaj ntsig:

● Kev siv nyiaj tsim nyog: PVC feem ntau pheej yig dua li lwm cov ntaub ntawv, ua rau nws yog ib qho kev xaiv zoo rau cov haujlwm uas xav tau nyiaj txiag ntau.

● Kev Siv Tau Ntau Yam: Nws siv tau rau hauv kev tsim kho, kev kho dej, kev ntim khoom, thiab ntau ntxiv. Nws qhov kev hloov pauv tau yog qhov zoo heev.

● Yooj Yim Rau Kev Teeb Tsa: PVC tsis hnyav thiab yooj yim rau kev ua haujlwm nrog, ua rau kev teeb tsa sai dua. Qhov no txuag tau ob qho tib si lub sijhawm thiab cov nqi zog ua haujlwm.

Qhov tsis zoo ntawm PVC

Txawm hais tias PVC muaj ntau yam zoo, nws kuj muaj qee qhov tsis zoo:

● Kev Txwv ntawm Kev Tiv Thaiv Kub: PVC tuaj yeem ntswj lossis yaj thaum kub siab, uas txwv nws txoj kev siv hauv cov tshuab dej kub.

● Kev Txhawj Xeeb Txog Ib Puag Ncig: Kev tsim khoom thiab pov tseg PVC tuaj yeem ua rau muaj kev pheej hmoo rau ib puag ncig, vim nws yuav tso tawm cov tshuaj lom neeg phem.

Cov txiaj ntsig ntawm CPVC

CPVC muaj cov txiaj ntsig sib txawv, tshwj xeeb tshaj yog hauv cov ntawv thov tshwj xeeb:

● Kev Tiv Thaiv Kub Thiab Tshuaj Lom Zem Ntau Dua: CPVC tuaj yeem tiv taus qhov kub siab dua thiab tiv taus ntau yam tshuaj lom neeg, ua rau nws haum rau cov chaw ib puag ncig uas xav tau ntau dua.

● Siv Tau Ntev Hauv Cov Kev Siv Uas Xav Tau: Nws qhov kev siv tau ntev ua rau nws siv tau ntev dua, txo qhov xav tau hloov ntau zaus.

Qhov tsis zoo ntawm CPVC

Txawm hais tias nws muaj qhov zoo, CPVC muaj qee qhov kev txwv:

● Tus nqi siab dua piv rau PVC: CPVC feem ntau kim dua, uas tuaj yeem ua rau muaj teeb meem rau qee qhov project.

● Cov Kev Siv Tsawg Rau Qee Qhov Kev Siv: Txawm hais tias zoo rau kev siv dej, nws yuav tsis siv tau ntau yam li PVC hauv lwm qhov chaw.

Khoom siv	Cov txiaj ntsig	Qhov tsis zoo
PVC	Tus nqi tsim nyog, ntau yam, yooj yim rau nruab	Kev tiv taus cua sov tsawg, kev txhawj xeeb txog ib puag ncig
CPVC	Kev tiv taus cua sov / tshuaj lom neeg ntau dua, lub neej ntev	Tus nqi siab dua, cov ntawv thov tsawg

Los ntawm kev ntsuas qhov zoo thiab qhov tsis zoo no, koj tuaj yeem txiav txim siab tau zoo dua thaum xaiv PVC thiab CPVC rau koj cov kev xav tau tshwj xeeb, tshwj xeeb tshaj yog hais txog kev siv cov khoom siv PVC.

Xaiv ntawm PVC thiab CPVC

Cov Yam Yuav Tsum Xav Txog

Thaum txiav txim siab ntawm PVC thiab CPVC, muaj ntau yam tseem ceeb uas yuav tsum tau ua si:

● Cov Kev Cai Siv: Xav txog cov kev xav tau tshwj xeeb ntawm koj qhov project. Piv txwv li, yog tias koj xav tau kev tswj hwm qhov kub thiab txias lossis tshuaj lom neeg, CPVC yog qhov kev xaiv zoo dua. PVC yog qhov tsim nyog rau kev siv dav dav tab sis tej zaum yuav tsis tiv taus cov xwm txheej hnyav.

● Kev Xav Txog Nyiaj Txiag: PVC feem ntau pheej yig dua, ua rau nws yog ib qho kev xaiv nrov rau ntau qhov project. Txawm li cas los xij, yog tias koj daim ntawv thov xav tau kev ruaj khov thiab tiv taus cua sov, kev nqis peev rau CPVC yuav txuag tau nyiaj hauv lub sijhawm ntev.

● Kev Xav Tau Kev Ua Haujlwm Mus Ntev: Xav txog seb koj xav kom cov khoom siv kav ntev npaum li cas. CPVC muaj lub neej ntev dua hauv cov chaw uas nyuaj, thaum PVC zoo heev rau cov ntawv thov uas tsis nruj heev.

Kev nkag siab yuam kev ntau zaus

Muaj ntau zaj dab neeg hais txog PVC thiab CPVC. Cia peb piav qhia ob peb yam:

● Cuav 1: Txhua lub kav dej yas zoo ib yam.

Qhov Tseeb: PVC thiab CPVC ua haujlwm sib txawv. Kev xaiv qhov yog yog qhov tseem ceeb rau kev nyab xeeb thiab kev ua haujlwm zoo.

● Cuav 2: PVC yeej pheej yig dua thiab zoo dua.

Qhov Tseeb: Txawm hais tias PVC pheej yig dua, nws yuav tsis haum rau kev siv rau qhov kub siab. CPVC, txawm tias kim dua, muab kev ua tau zoo dua hauv cov xwm txheej ntawd.

● Cuav 3: Koj siv tau PVC hauv txhua lub kav dej.

Qhov Tseeb: Kev siv PVC hauv cov tshuab dej kub tuaj yeem ua rau tsis ua haujlwm. Ib txwm phim cov khoom siv rau daim ntawv thov.

Qhov tseem ceeb	PVC	CPVC
Kev Tiv Thaiv Kub	Txwv	Siab dua
Kev Tiv Thaiv Tshuaj	Nruab nrab	Zoo heev
Tus nqi	Qis dua	Siab dua
Kev ua neej ntev	Zoo rau kev siv dav dav	Zoo heev rau kev siv uas nyuaj heev

Kev xaiv cov khoom siv zoo yog qhov tseem ceeb rau kev ua kom koj txoj haujlwm ua tiav. Kev nkag siab txog cov yam no thiab kev nkag siab yuam kev tuaj yeem coj koj mus rau hauv kev txiav txim siab zoo, tshwj xeeb tshaj yog hais txog kev siv cov khoom siv PVC.

Daim ntawv PVC pob tshab

Kev Xav Txog Ib puag ncig

Kev ruaj khov ntawm PVC thiab CPVC

Thaum tham txog PVC thiab CPVC, kev ruaj khov yog ib qho tseem ceeb.

● Kev Cuam Tshuam Rau Ib Puag Ncig: Kev tsim cov PVC muaj cov tshuaj chlorine, uas tuaj yeem ua rau muaj kev phom sij rau cov pa phem. Tsis tas li ntawd, kev pov tseg PVC tuaj yeem tsim teeb meem rau ib puag ncig, vim tias nws yuav tso cov tshuaj lom tawm thaum hlawv. CPVC, thaum kuj yog los ntawm PVC, feem ntau muaj qhov zoo dua me ntsis rau ib puag ncig vim nws lub neej ntev dua thiab txo qhov xav tau hloov pauv.

● Cov Kev Xaiv Rov Siv Dua: Ob qho tib si muaj peev xwm rov ua dua tshiab. PVC tuaj yeem rov ua dua tshiab rau hauv cov khoom tshiab, tab sis cov txheej txheem tuaj yeem nyuaj. CPVC tsis tshua muaj kev rov ua dua tshiab tab sis tseem tuaj yeem ua tiav hauv qee qhov chaw. Nov yog kev piav qhia luv luv:

Khoom siv	Kev Muaj Khoom Siv Rov Qab	Cov Khoom Siv Rov Ua Dua Tshiab
PVC	Yog	Cov kav dej, cov vuas, cov plag tsev
CPVC	Txwv	Qee cov khoom siv dej

Cov Qauv Kev Nyab Xeeb

Kev nyab xeeb yog qhov tseem ceeb thaum siv PVC thiab CPVC hauv ntau yam kev siv.

● Kev Piav Qhia Txog Cov Qauv Kev Nyab Xeeb: Ob qho khoom siv yuav tsum ua raws li cov cai kev nyab xeeb tshwj xeeb. Piv txwv li, lawv feem ntau raug sim seb puas tiv taus cov tshuaj lom neeg thiab hluav taws. Lub Koom Haum Txuj Ci Kev Nyab Xeeb Hauv Tebchaws Meskas (ANSI) thiab Lub Koom Haum Kev Ntsuas thiab Cov Khoom Siv Hauv Tebchaws Meskas (ASTM) tau teeb tsa cov qauv no.

● Qhov Tseem Ceeb ntawm Kev Ua Raws Cai: Kev ua raws li cov cai kev nyab xeeb yog qhov tseem ceeb heev, tshwj xeeb tshaj yog hauv kev tsim kho thiab kev ntim khoom. Kev tsis ua raws li txoj cai tuaj yeem ua rau muaj kev pheej hmoo loj rau kev noj qab haus huv thiab teeb meem kev cai lij choj. Nws yog ib qho tseem ceeb kom ntseeg tau tias cov khoom PVC lossis CPVC siv hauv koj qhov project ua tau raws li cov qauv no los tiv thaiv cov neeg siv thiab ib puag ncig.

Daim Ntawv Thov	Cov Qauv Kev Nyab Xeeb	Qhov Tseem Ceeb ntawm Kev Ua Raws Cai
Kev Tsim Kho	Cov qauv ANSI / ASTM	Ua kom muaj kev ruaj ntseg thiab kev nyab xeeb ntawm cov qauv
Ntim Khoom	Cov cai tswjfwm kev nyab xeeb zaub mov	Tiv thaiv kev noj qab haus huv thiab kev nyab xeeb ntawm cov neeg siv khoom

Kev nkag siab txog cov kev xav txog ib puag ncig no yuav pab koj txiav txim siab txog kev siv cov khoom siv PVC, kom ntseeg tau tias muaj kev nyab xeeb thiab kev ruaj khov hauv koj cov haujlwm.

Xaus lus

Hauv kev xaus lus, PVC thiab CPVC muaj qhov sib txawv sib txawv. PVC pheej yig thiab siv tau ntau yam, thaum CPVC tiv taus kub thiab ruaj khov dua.

Thaum xaiv ob qho no, xav txog koj cov kev xav tau tshwj xeeb. Xav txog cov kev cai ntawm daim ntawv thov thiab cov peev nyiaj.

Ib txwm soj ntsuam qhov kev cia siab rau kev ua tau zoo mus sij hawm ntev. Kev xaiv qhov zoo ua kom koj cov haujlwm siv cov khoom siv PVC tau txiaj ntsig zoo tshaj plaws.