Specification thiab Identification ntawm cov tsev PVC Yeeb Nkab
Muaj 16 hli, 20 hli thiab 25 hli hauv feem ntau siv cov lus ntawm PVC conduits rau tsev kho kom zoo nkauj. Raws li kev kho kom zoo nkauj ntawm thaj chaw sib txawv, cov lus ntawm PVC kav yog txawv.
PVC kav, uas yog hu ua PVC qhov cub hluav taws xob, muaj ob lossis peb meters ntev thiab tsib xim liab, xiav, ntsuab, daj thiab dawb. PVC kav yog tsim los ntawm extrusion ntawm PVC cob nrog plasticizers, stabilizers thiab lwm tus neeg ua hauj lwm koom haum, uas yog tsim rau cov tsho hluav taws xob thiab cov dej hauv cov khoom siv hluav taws xob. Lawv tuaj yeem siv los tiv thaiv cov xov hluav taws xob thiab cov cables hauv chav tsev.
Thaum paub qhov tseeb, peb tuaj yeem pom tias cov yeeb nkab ntawm cov kav dej PVC tsis zoo ib yam lossis tsis yog. Lub inconsistency yog tsim nrog cov khoom siv coj los siv. Nws yuav tsum raug sau tseg tias PVC kav nrog cov ntaub ntawv coj los siv tsis yooj yim rau kev tawg, tab sis kuj tsis yooj yim kho. Txoj kev sib txawv ntawm PVC kav yog raws li nram no: Kev soj ntsuam los ntawm kev khoob khawm thiab thawb, siv lub yeeb nkab ntawm PVC, khoov ceev thiab nplawm, ua rau cov hlua ntawm PVC nrog ko taw, tsis tawg ntawm PVC kav, qhia tias qhov zoo ntawm PVC kav yog guaranteed thiab yuav tau yuav thiab siv tau yooj yim.
