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Dab Tsi Yog Qhov Sib Txawv ntawm PE RT Tube Thiab PP-R Tube

Dec 12, 2020

Dab tsi yog sib txawv ntawm PE RT raj thiab PP-R raj

1. PP-R yeeb nkab:

Tuam Tshoj tswj cov kws tshaj lij - Weixing PPR lub teb chaws tus qauv ntsuas tsev !!!

PPR yeeb nkab yog lub npe hu ua random copolymer polypropylene yeeb nkab, uas yog cov khoom siv dav dav xa mus rau cov raj xa dej hauv tsev kho kom zoo nkauj engineering.

Kev sib cuam tshuam ntawm PPR yeeb siv cov tshuab kub-yaj, thiab cov kav dej tau txais kev sib koom ua ke. Yog li no, ib zaug kev teeb tsa kev ntsuas siab raug dhau, yuav tsis muaj dej paug tawm dua, thiab kev cia siab rau siab heev. Txawm li cas los xij, qhov no tsis yog hais tias PPR dej yeeb nkab tsis muaj qhov tsis xws luag. Nws qhov siab kub ua haujlwm thiab siab tsis kam yog me ntsis tsis zoo, thiab lub sijhawm ua haujlwm kub ntev yuav tsis tshaj 70 ℃; Qhov ntev ntawm txhua ntu yog txwv, thiab nws tsis tuaj yeem nyom tau. Yog tias cov yeeb nkab tso nrug nyob ntev lossis ntau cov ces kaum, ntau cov pob qij txha yuav raug siv rau hauv kev tsim kho; yeeb nkab yog qhov pheej yig, tab sis tus nqi ntawm cov khoom siv khi yog tus nqi siab. Los ntawm kev ua tiav ntawm qhov kev xav, PPR yeeb nkab yog cov cuab yeej siv yeeb siv tshuaj siv tam sim no, yog li nws tau dhau los ua cov khoom siv zoo dua rau kev tsim kho cov taub dej hauv tsev.

PPR lub raj xa mus muag ntawm lub khw yog feem ntau hauv ob xim, dawb thiab grey. Lub chaw muag khoom' s teb yog tias qhov sib txawv los ntawm qhov sib txawv ntawm cov khoom siv raw PPR hais.


Feem ntau, cov kav xa dej qub yuav raug hloov hauv qhov dej thiab hluav taws xob hloov. Cov tuam txhab kho kom zoo nkauj hauv tsev thiab cov lag luam pom zoo tias cov fitter yuav tsum xaiv cov kav dej kub kub thaum nruab PPR yeeb, txawm tias nws ntws los ntawm cov kav dej txias. Lawv tau hais tias vim tias qhov tsis muaj kev txwv ntawm cov yeeb nkab dej kub yog siab tshaj li ntawm cov yeeb nkab dej txias, thiab tus nqi sib txawv tsis loj, yog li cov yeeb nkab dej kub tau siv hauv kev tsim kho dej. Lwm qhov tseeb yog tias txawm tias koj xav yuav cov kav dej txias, nws yog qhov nyuaj heev los yuav lawv hauv khw, vim tias cov kav dej txias tsuas muab cov khoom lag luam nkaus xwb, tsis yog lub khw kho kom zoo nkauj hauv tsev.

Qhov txoj kab uas hla ntawm PPR yeeb tuaj yeem yog los ntawm 16mm txog 160mm. Muaj feem ntau ob hom kav dej siv rau hauv tsev kho kom zoo nkauj, uas yog 20 hli thiab 25 mm (feem ntau hu ua 4 tus kav dej thiab 6 kav dej feem), ntawm 4 lub raj xa dej siv ntau dua.

PP-R yeeb nkab, tseem hu ua hom III polypropylene yeeb nkab, yog extruded rau hauv yeeb nkab los ntawm random copolymerization polypropylene, thiab txhaj tshuaj moulded rau hauv cov yeeb nkab haum. Nws yog hom tshiab ntawm cov yeeb nkab yas tsim tawm thiab thov nyob hauv Europe thaum ntxov xyoo 1990. Hauv lub sijhawm xyoo 1980, kwv yees li 5% PE yog kev sib tham thiab kev sib txuas polymerly (random copolymerization) hauv cov qauv molecular ntawm PP los ntawm cov roj theem copolymerization txheej txheem, uas tau dhau los ua lub cim tshiab ntawm cov khoom xa dej. Nws muaj zoo cuam tshuam tsis kam thiab ntev lub zog tuaj.


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