Yuav Qhia Li Cas Zoo lossis Phem PP-R
PPR kav kuj hu ua polypropylene raj, muab nws qhia meej meej yog peb cov neeg hauv tsev lub neej rau kev hloov dej, ib qho tseem ceeb ntawm cov cua sov. Rau cov dej tauj, cua sov cov dej num no tsis nyob twj ywm, xaiv cov zoo PPR kav yog qhov tseem ceeb, ces yuav tsum paub qhov txawv ntawm PPR cov dej zoo li cas?
1) Ua ntej kov lub nplais ntawm cov yeeb nkab ntawm tes, kom paub txog qhov zoo nkauj yog me tshaj, cov khoom siv yog hom teeb meem. Nyob rau hauv kev ua lag luam hnub no, PPR kav tsuas yog xim dawb, grey, ntsuab hauv ntau xim, raws li ib txwm muaj, cov khoom siv tsis zoo tsim tsis tau dawb, muaj coob tus neeg ntseeg tias dawb yog qhov zoo, qhov tseeb, qhov no yog ib sab . Raws li kev ua kom zoo dua, cov xim tsis yog los txheeb xyuas cov qauv zoo ntawm PPR kav .
2) Lub qhov ntswg ze rau lub yeeb nkab uas nyob ze ntawm qhov tsis hnov tsw. PPR xa khoom yog polypropylene, cov yeeb nkab zoo tsis muaj ntxhiab tsw, thiab qee qhov tsis hnov tsw, nws yuav nyob rau hauv polypropylene blending sake of polyethylene, yog li tsis hnov tsw ntawm cov yeeb nkab yog qhov tsis zoo rau kev xaiv tsa.
3) Zoo PPR cov yeeb nkab muaj qee qhov nyuaj, kov koj cov ntiv tes, hnov qhov nyuaj, tsis yooj yim deformed. Seemingly zoo flexibility, yooj yim deformed tube, los yog teeb meem zoo, los yog nws tsis yog PPR yeeb nkab.
4) Cov zoo PPR yeeb nkab, muaj ib qho elasticity, tawv thiab tsis muaj zog, muaj peev xwm ua kom khaus tau cov yeeb nkab ntawm chav kawm, tsis zoo PPR yeeb nkab. Hardness tsis sib npaug zoo elasticity, peb yuav tsum ua tib zoo xav seb yuav poob li cas yog tsis tawg PPR yeeb nkab. Vim tias cov neeg ua haujlwm tsis zoo nkauj ntxiv cov calcium carbonate ntau thiab lwm yam impurities txhim kho cov kev sib zog ntawm cov yeeb nkab, cov yeeb nkab ua rau lub yeeb nkab, lub sijhawm ntev ua rau tawg puas.
5) Siv hom kev sim tua hluav taws PPR yeeb nkab, zoo heev thiab zoo heev. Zoo sib txuas ntawm PPR yeeb nkab, tsis muaj haus kua nplaum uas tsis muaj kua ntxhua tawm, tsis zoo ntawm cov yeeb nkab vim muaj cov khoom siv yas los yog lwm yam tsis haum, thiab haus luam yeeb dub nyob rau hauv cov txheej txheem combustion, thiab txawm muaj pungent tsw.
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