Qhov txawv ntawm PVC thiab PPR kav dej yog dab tsi?

Dab tsi yog qhov txawv ntawm PVC thiab PPR kav?

PVC thiab PPR (Polypropylene Random Copolymer) yog ob qho khoom siv rau cov kav dej. Thaum nws los txog rau kev xaiv cov yeeb nkab zoo rau koj cov kav dej xav tau, nws yog ib qho tseem ceeb kom nkag siab qhov sib txawv ntawm PVC thiab PPR kav dej kom ntseeg tau tias koj xaiv qhov zoo. Hauv tsab xov xwm no, peb yuav ua tib zoo saib cov yam ntxwv, qhov zoo, thiab qhov tsis zoo ntawm ob qho tib si PVC thiab PPR kav.

Khoom siv

PVC (Polyvinyl Chloride) kav yog tsim los ntawm kev sib xyaw ntawm cov yas thiab yas. Cov yas muab cov txheej txheem muaj zog thiab ua haujlwm ntev ntawm cov yeeb nkab, thaum cov yas muab nws yooj yim rau kev khoov thiab twisted rau hauv cov duab sib txawv yam tsis muaj kev tawg. Cov kav dej PVC yog tsim los ntawm cov txheej txheem hu ua extrusion, uas cov yas yaj tau raug thawb los ntawm kev tuag los ua ib lub raj ntev.

PPR kav, ntawm qhov tod tes, yog tsim los ntawm kev sib xyaw ntawm propylene thiab ib qho me me ntawm ethylene. Nws yog lub npe hu ua copolymer vim nws muaj ob qho tib si randomly copolymerized propylene thiab ethylene molecules. Cov propylene muab cov yeeb nkab rau qhov kub thiab txias, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov dej kub, thaum cov ethylene muab kev yooj yim thiab cuam tshuam.

Lub zog thiab Durability

Thaum nws los txog rau lub zog thiab kav ntev, PVC thiab PPR kav ob leeg muaj lawv qhov zoo thiab qhov tsis zoo.

Cov kav dej PVC muaj qhov ruaj khov thiab tuaj yeem tiv taus ib puag ncig hnyav, nrog rau qhov kub thiab txias thiab cov tshuaj muaj zog. Lawv tiv taus xeb thiab xeb, uas ua rau lawv xaiv zoo rau kev siv sab nraum zoov lossis hauv thaj chaw uas muaj dej tsis zoo. Txawm li cas los xij, cov kav dej PVC yog qhov yooj yim dua rau kev tawg thiab tawg nyob rau hauv siab heev los yog cuam tshuam.

PPR cov kav dej muaj kev cuam tshuam ntau dua li cov kav dej PVC thiab tsis tshua muaj kev tawg lossis tawg. Lawv tuaj yeem tiv taus qhov kub siab txog li 80 degree thiab tiv taus qhov ntsuas thiab corrosion. PPR cov kav dej kuj hloov tau yooj yim dua, ua rau lawv yooj yim rau nruab thiab khoov ntawm cov teeb meem. Txawm li cas los xij, lawv tsis nruj li cov kav dej PVC, uas ua rau lawv muaj kev cuam tshuam ntau dua rau kev puas tsuaj thaum lub sijhawm teeb tsa.

Nqi

Tus nqi ntawm cov kav dej PVC thiab PPR sib txawv nyob ntawm ntau yam, xws li qhov ntev thiab txoj kab uas hla ntawm cov yeeb nkab, qhov chaw koj nyob, thiab tus neeg muag khoom koj xaiv. Feem ntau, cov kav dej PVC yog pheej yig dua li cov kav dej PPR.

Cov kav dej PVC yog ib qho ntawm cov kev xaiv pheej yig tshaj plaws, ua rau lawv nrov hauv ntau qhov kev lag luam. Lawv yog ib qho kev daws teeb meem pheej yig rau cov neeg ua haujlwm ntawm kev siv nyiaj nruj. Txawm li cas los xij, yog tias koj npaj yuav siv cov kav dej PVC hauv thaj chaw uas muaj qhov kub thiab txias los yog cov tshuaj muaj zog, koj yuav tsum tau nqis peev rau cov khoom siv PVC kim dua kom muaj kev tiv thaiv zoo.

PPR kav yog kim dua li cov kav dej PVC. Qhov no yog vim tias lawv yog tsim los ntawm cov txheej txheem tsim khoom ntau dua, xav tau cov khoom siv ntau dua, thiab muaj kev ruaj khov thiab kub-resistant. Tus nqi siab dua ntawm cov kav dej PPR tuaj yeem ua rau lawv tsis txaus nyiam rau cov uas tab tom nrhiav kom txuag nyiaj hauv lawv qhov dej num.

Yooj yim ntawm installation

Thaum nws los txog rau kev teeb tsa, ob qho tib si PVC thiab PPR kav dej muaj lawv qhov zoo thiab qhov tsis zoo.

PVC kav yog ib qho yooj yim rau nruab, muaj nyob rau hauv ntau qhov ntau thiab tsawg thiab cov duab, thiab tuaj yeem txiav tau yooj yim kom ntev siv lub tes tuav. Lawv kuj yog lub teeb yuag thiab tuaj yeem yooj yim maneuvered, ua rau lawv xaiv zoo heev rau DIY tej yaam num. Txawm li cas los xij, lawv xav tau ib hom tshwj xeeb ntawm cov nplaum kom ruaj ntseg cov kav dej, uas tuaj yeem ua rau kev teeb tsa nyuaj rau cov neeg siv tsis paub.

PPR kav yog ib qho yooj yim rau nruab thiab yuav tsum tsis muaj cov cuab yeej tshwj xeeb lossis cov nplaum. Lawv tuaj yeem txiav tau yooj yim kom ntev los ntawm kev siv tes tuav thiab koom ua ke siv cov cuab yeej yooj yim xws li lub qhov (socket wrench). Lawv qhov yooj yooj yim ua rau lawv zoo tagnrho rau kev siv hauv thaj chaw uas cov kav dej ib txwm muaj yuav nyuaj rau nruab. Txawm li cas los xij, lawv qhov kev hloov pauv kuj txhais tau tias lawv yuav tsis haum rau thaj chaw uas muaj ko taw hnyav lossis tsheb tsheb, vim tias lawv yuav ua rau muaj kev puas tsuaj.

Daim ntawv thov

Cov kav dej PVC feem ntau yog siv rau ntau yam kev siv, nrog rau cov kav dej phwj tuaj, dej, dej, thiab dej haus. Lawv tsim nyog rau ob qho tib si saum toj-hauv av thiab hauv av installation thiab yog ib qho kev xaiv zoo rau kev siv sab nraum zoov. Txawm li cas los xij, lawv tsis pom zoo rau cov tshuab dej kub vim tias lawv tuaj yeem hloov pauv thiab deform nyob rau hauv qhov kub thiab txias.

Cov kav dej PPR feem ntau yog siv rau cov dej kub thiab dej txias, nrog rau cov siv hauv nruab nrab cua sov thiab cua txias. Lawv kuj tsim nyog siv rau hauv compressed cua tshuab thiab tuaj yeem tiv taus dej siab. PPR cov kav dej yog qhov kev xaiv zoo tshaj plaws rau cov neeg uas tab tom nrhiav kev ruaj khov thiab kav ntev rau lawv cov kav dej xav tau.

Xaus

Hauv kev xaus, ob qho tib si PVC thiab PPR kav muaj lawv qhov zoo thiab qhov tsis zoo. Thaum PVC kav yog pheej yig dua thiab yooj yim rau nruab, PPR kav dej yog ntau ruaj thiab kub-resistant. Qhov kev xaiv ntawm PVC thiab PPR kav thaum kawg los ntawm tus kheej nyiam, tus nqi, thiab cov kev xav tau tshwj xeeb ntawm koj qhov project kav dej. Nws yog ib qho tseem ceeb uas yuav tau sab laj nrog tus kws tshaj lij kav dej los xyuas kom meej tias koj xaiv cov yeeb nkab zoo rau koj cov kev xav tau, kom ntseeg tau tias koj cov kav dej ua haujlwm tau zoo thiab nyab xeeb rau xyoo tom ntej.