PVC Canvas Coated Tarpaulin Npuag

Dab tsi yog lub tswv yim tom qab ultraviolet (UV) ruaj khov ntawm PVC cob siv hauv PVC membrane cov khoom siv?

UV ruaj khov ntawm PVC (Polyvinyl Chloride) resin siv hauv PVC daim nyias nyias cov ntaub ntawv yog ua tiav los ntawm ntau lub ntsiab lus, feem ntau yog qhov sib ntxiv ntawm UV stabilizers thiab cov khoom siv tshuaj lom neeg ntawm PVC. Lub hauv paus ntsiab lus qab UV stability ntawm PVC resin tuaj yeem tham raws li hauv qab no:

● 1. Qhov tseem ceeb UV tsis kam: PVC muaj qhov ua haujlwm tsis zoo rau ultraviolet hluav taws xob vim nws cov qauv tshuaj. Cov saw hlau polymer hauv polyvinyl chloride muaj cov tshuaj chlorine atoms, uas tuaj yeem muab qee qhov kev tiv thaiv UV. Chlorine atoms nqus thiab dissipate UV zog, txo qhov cuam tshuam ntawm UV hluav taws xob ntawm cov khoom.

Khoom siv

Mesh khoom

Hauv cov khoom siv PVC tarpaulin, ntau hom mesh npuag tuaj yeem muab faib ua ob pawg raws li cov khoom siv: polyester thiab nylon. Tsis tas li ntawd, lawv tuaj yeem raug cais raws li lub zog rau hauv cov xov paj dav dav thiab cov xov paj muaj zog.

Npuag weaves

Muaj ntau ntau hom ntaub, xws li warp knitting, weft knitting, combing, semi-combing, thiab general combing.

Mesh ntaub nrog sib txawv

xov densities

Txhawm rau ua kom tau raws li qhov xav tau sib txawv ntawm cov neeg siv, Ntau cov qauv, nrog rau cov kab sib chaws mesh, pob zeb diamond mesh, noog lub qhov muag mesh, thiab lwm yam, yog woven raws li cov specifications ntawm cov ntaub mesh, uas ua rau ntau yam ntawm PVC Tarpaulin nrog txawv specifications, thicknesses. , xim, thiab muaj zog.

● UV stabilizers:

Txhawm rau txhim kho UV ruaj khov ntawm PVC cob, cov tuam txhab feem ntau ntxiv UV stabilizers thaum lub sijhawm tsim khoom. UV stabilizers yog cov khoom xyaw tshuaj uas pab cuam tshuam qhov kev puas tsuaj ntawm UV hluav taws xob. Lub hom phiaj tseem ceeb ntawm UV stabilizers siv hauv PVC resins yog ob npaug:

- UV absorbers: Cov tshuaj no nqus UV zog thiab dissipate nws li cua sov. UV absorbers tiv thaiv UV lub teeb los ntawm kev nkag mus rau cov khoom nto thiab ua mob rau cov saw hlau polymer. Lawv pab txo qhov kev puas tsuaj ntawm PVC los ntawm UV ncaj qha raug.

- UV blockers: UV blockers lossis screeners khiav los ntawm kev xav lossis nthuav tawm UV hluav taws xob. Lawv tsim lub cev tiv thaiv kom tsis txhob UV rays los ntawm kev ncav cuag PVC resin. Qhov no minimizes qhov ncaj qha raug ntawm cov khoom rau UV teeb.

yam

● 3. Coextrusion thiab kev kho thaj tsam ntawm thaj chaw: Qee cov PVC membrane fabrics yog tsim los ntawm cov txheej txheem coextrusion, nrog cov txheej txheem tiv thaiv uas txhawb nqa UV tiv thaiv rau ntawm qhov chaw. Cov txheej txheej saum npoo av no tuaj yeem suav nrog ntxiv UV stabilizers lossis cov xim zoo nkauj kom ntxiv dag zog rau UV tiv thaiv.

● 4. Kev tswj kom zoo: cov qauv tsim nyog thiab cov txheej txheem tsim tau lav qhov kev faib tawm ntawm UV stabilizers thiab lwm yam khoom xyaw thoob plaws hauv PVC resin. Qhov kev sib cais zoo ib yam no yog qhov tseem ceeb rau kev khaws cia UV ruaj khov thoob plaws hauv cov khoom.

● 5. Kev tu tsis tu ncua: Txawm hais tias UV stabilizers muab cov kev tiv thaiv uas xav tau, kev saib xyuas tsis tu ncua, xws li kev ntxuav thiab kev ntsuam xyuas, pab kom ntev lub neej ntawm PVC membrane qauv. Kev ntxuav tuaj yeem tshem tawm cov khoom thiab cov impurities uas yuav ua rau UV puas tsuaj thiab tshuaj xyuas rau txhua qhov chaw uas yuav tsum tau saib xyuas lossis kho ua haujlwm.

Kev sib xyaw ua ke ntawm cov ntsiab lus no pab PVC daim nyias nyias cov ntaub npuag sawv ntsug kom muaj kev puas tsuaj ntawm UV hluav taws xob. Qhov kev ruaj ntseg UV no yog qhov tseem ceeb hauv kev siv architectural vim nws ua kom cov khoom khaws nws lub zog, ntau yam, xim, thiab pom dav dav txawm tias raug rau sab nraum zoov nrog cov qib siab ntawm UV hluav taws xob.

Peb qhov zoo

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