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PPR lossis polypropylene random copolymer kav tau dhau los ua ib qho kev xaiv rau dej thiab kav dej thoob plaws ntiaj teb. Yog vim li cas rau qhov no yog vim muaj ntau yam zoo uas cov kav dej no muaj ntau yam khoom siv xws li hlau, PVC, lossis tooj liab. PPR yog cov khoom siv thermoplastic uas tuaj yeem tswj tau qhov kub thiab txias, ua rau nws zoo tagnrho rau kev siv dej kub. Txawm li cas los xij, muaj qee qhov sib txawv tseem ceeb ntawm PPR cov kav dej kub thiab cov kav dej txias. Hauv tsab xov xwm no, peb yuav tshawb xyuas qhov sib txawv no thiab nkag siab txog qhov yuav tsum tau xaiv txoj cai PPR yeeb nkab rau koj cov kav dej.
Kev sib xyaw ntawm PPR Pipes
PPR kav yog tsim los siv ib hom tshwj xeeb ntawm polypropylene cob, uas yog ib tug hluavtaws polymer uas yog muab los ntawm propylene monomers. Qhov sib txawv tseem ceeb ntawm PPR cov kav dej kub thiab cov kav dej txias yog vim cov khoom siv polymer siv hauv cov txheej txheem tsim khoom. Hauv PPR cov kav dej kub, ib qho kev copolymer random siv, thaum PPR cov kav dej txias, siv homopolymer. Thawj qhov sib txawv ntawm ob hom resin no yog nyob rau hauv lawv cov qauv molecular. Random copolymers muaj ib tug tshwj xeeb cov txheej txheem uas imparts txhim kho kub-ua hauj, thaum homopolymer yog yooj yim nyob rau hauv cov qauv thiab yog, yog li ntawd, tsis muaj zog thaum nws los txog rau thermal kuj.
PPR Cov kav dej kub Vs. Cov kav dej txias
PPR cov kav dej kub tau tsim tshwj xeeb los tiv thaiv qhov kub thiab txias, txij li 70 degree mus rau 90 degree, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv dej kub hauv tsev, tsev lag luam, thiab kev lag luam. Ntawm qhov tod tes, PPR cov kav dej txias yog tsim los nqa dej txias ntawm chav tsev kub, uas feem ntau yog nyob ntawm 0 degree thiab 40 degree. Yog li ntawd, qhov sib txawv tseem ceeb ntawm PPR cov kav dej kub thiab cov kav dej txias yog qhov kub thiab txias muaj peev xwm ntawm ob cov ntaub ntawv.
PPR cov kav dej kub muaj cov qauv molecular tshwj xeeb uas ua rau nws tuaj yeem tiv taus qhov kub thiab txias yam tsis muaj degradation. Lub thermal tsis kam ntawm PPR cov kav dej kub yog ntaus nqi rau cov copolymer siv hauv nws cov txheej txheem tsim khoom. Cov qauv copolymer no imparts tsis kam mus rau creep deformation, uas feem ntau ua rau rupture nyob rau hauv cov yeeb nkab nyob rau hauv lub sij hawm ntev. Tsis tas li ntawd, PPR cov kav dej kub muaj cov tshuaj tiv thaiv siab thiab ua rau UV-stabilized, uas ua rau lawv ruaj khov thiab txhim khu kev qha.
Ntawm qhov tod tes, PPR cov kav dej txias muaj cov qauv molecular yooj yim dua, uas ua rau lawv tsis muaj zog tiv taus cua sov, siab, thiab tshuaj lom neeg. Yog li ntawd, PPR cov kav dej txias yuav tsum tsis txhob siv rau kev siv dej kub, vim tias lawv tsis tau tsim los tswj qhov kub thiab txias.
Yuav tsum tau xaiv cov kav dej PPR
Xaiv txoj cai PPR yeeb nkab yog nyob ntawm ntau yam uas tshwj xeeb rau kev teeb tsa. Koj yuav tsum xav txog ntau yam xws li txoj kab uas hla, qhov ntsuas siab, ntsuas kub, thiab lwm yam. Cia peb saib qee qhov tseem ceeb rau kev txhim kho thaum xaiv cov kav dej PPR.
1. Txoj kab uas hla ntawm cov yeeb nkab
Txoj kab uas hla ntawm PPR yeeb nkab yog nyob ntawm qhov txaus siab qhov xav tau hauv kev teeb tsa nrog rau cov kev ntsuas siab xav tau. Qhov loj ntawm txoj kab uas hla ntawm cov yeeb nkab, qhov siab dua qhov ntws, thiab qhov qis dua cov dej yog xa mus rau cov kais dej thiab lwm qhov chaw.
2. Kev ntsuas siab
Kev ntsuas siab ntawm PPR yeeb nkab txhawj xeeb ntau npaum li cas cov yeeb nkab tuaj yeem tswj tau ua ntej nws tawg. Yog li ntawd, nws yog ib qho tseem ceeb heev uas yuav tau xaiv cov kav dej nrog cov kev ntsuas siab tsim nyog, nyob ntawm qhov siab ntawm qhov kev teeb tsa. Feem ntau, PPR kav dej muaj qhov ntsuas siab ntawm kwv yees li 20 bar.
3. Qhov kub thiab txias
Raws li tau hais ua ntej lawm, PPR cov kav dej kub muaj qhov ua kom sov zoo dua li PPR cov kav dej txias. Yog li ntawd, nws yog ib qho tseem ceeb uas yuav tau xaiv cov kav dej uas tuaj yeem tswj qhov kub ntawm cov dej uas yuav khiav los ntawm lawv. Koj tuaj yeem xaiv PPR cov kav dej uas tau ntsuas tshwj xeeb rau cov dej kub, dej txias, lossis ob qhov dej kub.
4. UV Stabilization
PPR kav uas yog UV-stabilized yog tsim los tiv thaiv cov teebmeem ntawm raug tshav ntuj. Cov kav dej no tau txhim kho kev tiv thaiv rau cov xim fading, tawg, thiab brittleness uas tuaj yeem tshwm sim los ntawm lub hnub rays. Yog li, nws raug nquahu kom xaiv cov kav dej PPR uas tau UV-stabilized kom ntseeg tau tias kev ua haujlwm ntev.
Xaus
Hauv kev xaus, PPR cov kav dej yog qhov kev xaiv zoo rau kev siv dej thiab cov kav dej vim lawv lub zog, ruaj khov, thiab muaj peev xwm tiv taus qhov kub thiab txias. Thaum xaiv ntawm PPR cov kav dej kub thiab cov kav dej txias, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias qhov sib txawv tseem ceeb yog nyob rau hauv lawv qhov kub thiab txias. PPR cov kav dej kub yog tsim los tswj qhov kub thiab txias, thaum PPR cov kav dej txias yog siv los nqa dej txias ntawm chav tsev kub. Nws yog ib qho tseem ceeb uas yuav tau xav txog ntau yam, xws li cov yeeb nkab txoj kab uas hla, kev ntsuas siab, qib kub, thiab UV-stabilization thaum xaiv PPR kav rau koj lub installation. Los ntawm kev xaiv txoj cai PPR yeeb nkab rau koj cov kav dej, koj tuaj yeem ua kom muaj kev nyab xeeb thiab txhim khu kev qha dej, uas yog qhov tseem ceeb rau txhua lub tsev, lub tsev lag luam, lossis kev lag luam.
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