Ifan Hoobkas 30+ xyooKev tsim khoom txhawb xim \/ loj customization kev them nyiaj yug dawb.Qhov kev sib tham rau cov ntawv teev thiab kuaj dawb.Qhov no yog peb FacebookLub Vev Xaib: www.Facebook.com, Nyem rau saib yog tias cov khoom lag luam video.comared nrog cov khoom lag luam Nyom, peb li cov khoom lag luam los ntawm qhov zoo rau koj xaiv zoo tshaj plaws, zoo siab tos txais yuav!

Huab cua tiv thaiv ntawm ppph cov yeeb nkab fittings

Lub hauv paus rau phau ntawv

Polypropylene Homopolymer (PPH) Cov kav dej sib xyaw ua haujlwm tau ua haujlwm, nrog rau lawv cov tshuaj lom neeg muaj zog, nrog rau lawv cov khoom siv sab nraud, muaj zog dua, thiab tus nqi - ua hauj lwm zoo. Txawm li cas los xij, thaum raug rau cov chaw sab nraud, ppph cov yeeb nkab fittings yog raug rau ntau lub hnub huab cua, kub hloov, dej nag, thiab cov av noo. Cov xwm txheej no tuaj yeem ua rau maj mam degradation ntawm cov khoom, ua rau poob rau hauv cov tshuab tshuab, discoloration, thiab tej zaum tsis muaj cov yeeb nkab fittings. Nkag siab thiab txhim kho cov huab cua tiv thaiv ntawm ppph cov yeeb nkab fittings yog qhov tseem ceeb rau kev ua kom muaj kev ntseeg siab ntev - kev ua tau zoo ntawm cov twj tso cua hauv cov chaw sab nraum zoov. Kab lus no yuav tshawb txog qhov tseem ceeb, cuam tshuam cov ntsiab lus, cov qauv kev sim, thiab cov tswv yim kom txhim kho cov huab cua tsis kam ntawm ppph cov yeeb nkab fittings.

Qhov tseem ceeb ntawm huab cua tiv thaiv hauv pph cov yeeb nkab fittings

Ua kom ntev - lub sij hawm ua tau zoo

Hauv kev siv sab nraum zoov, PPH cov yeeb nkab fittings yuav tsum tswj hwm lawv cov qauv txheej txheem kev ncaj ncees thiab kev ua haujlwm dhau lub sijhawm ncua. Ib theem siab ntawm huab cua tiv thaiv kom ntseeg tau tias cov yeeb nkab fittings tuaj yeem tiv thaiv kev txuas ntxiv ntawm cov tib yam tsis muaj kev cuam tshuam. Piv txwv li, nyob rau hauv ntev - qhov chaw tso dej nyob sab nraud, ppph cov yeeb nkab fittings nrog cov huab cua zoo tuaj yeem tiv thaiv kev laus, ua kom cov dej tsis haum ntawm cov dej. Yog tias tsis muaj kev tiv thaiv huab cua txaus, cov yeeb nkab fittings tej zaum yuav ua rau kev kho mob ntev, kev pabcuam kev nyab xeeb, thiab muaj peev xwm kev nyab xeeb rau kev nyab xeeb.

Tiv thaiv kev tiv thaiv ib puag ncig

Cov huab cua yam yuav ua rau muaj kev puas tsuaj rau pph cov yeeb nkab fittings. Tshav ntuj, tshwj xeeb tshaj yog ultraviolet (UV) hluav taws xob, tuaj yeem tsoo cov saw polymer hauv pph, ua rau txo qis ntawm cov tshuab muaj zog thiab embrittlementlement. Los nag thiab cov av noo tuaj yeem txhawb txoj kev loj hlob ntawm cov pwm thiab mildew, nrog rau ua rau cov khoom siv hydrolysis ntawm cov khoom hauv qee kis. Cov kev hloov pauv kub tuaj yeem tsim sab hauv kev ntxhov siab hauv cov yeeb nkab fittings, ua rau kev tsim cov nrib pleb dhau sijhawm. Cov huab cua zoo kuj yuav pab tiv thaiv PPH cov yeeb nkab fittings los ntawm cov kev puas tsuaj ib puag ncig, khaws cia lawv lub cev thiab tshuaj lom neeg lub neej.

Ntsib cov qauv kev lag luam thiab cov cai

Ntau yam kev lag luam muaj cov qauv nruj thiab cov kev tswj hwm hais txog kev ua tau zoo ntawm cov ntawv xa khoom hauv ib puag ncig sab nraum zoov. PPH cov yeeb nkab fittings siv hauv kev tsim kho, infrastructure, thiab kev siv khoom lag luam yuav tsum ua kom tau raws li cov cai muaj kev nyab xeeb thiab kev ntseeg tau ntawm cov tshuab. Qhia txog huab cua zoo heev yog feem ntau cov qauv tseem ceeb rau cov khoom pom zoo thiab ua raws cai. Los ntawm kev txhim kho huab cua tiv thaiv ntawm ppph cov yeeb nkab fittings, cov khoom lag luam tuaj yeem paub tias lawv cov khoom lag luam ua lag luam, thiab cov teeb meem kev cai lij choj.

Yam cuam tshuam rau huab cua tiv thaiv ntawm ppph cov yeeb nkab fittings

UV hluav taws xob

UV hluav taws xob yog ib qho ntawm cov kev cuam tshuam ntau tshaj plaws cuam tshuam rau huab cua tsis kam ntawm ppph cov yeeb nkab fittings. Lub siab - Zog phij Photo hauv UV duab tuaj yeem ua rau cov neeg sib txuas lus hauv PP MMYMER, pib ua kev tsis txaus ntseeg. Qhov ntev dua li kis tau UV hluav taws xob, qhov kev puas tsuaj ntau rau cov khoom siv. Thaj chaw uas muaj hnub ci ntsa iab, xws li thaj chaw sov lossis siab dua - qhov chaw siab tshaj plaws, teeb meem ntau dua rau huab cua tsis kam ntawm PPH cov yeeb nkab fittings. Tsis tas li ntawd, lub nthwv dej ntawm UV hluav taws xob kuj tseem ceeb, nrog luv - wavelength UV - B thiab UV - Qiv ntau dua rau UV - ib lub hnub ci.

Thiab Vaum

Kub thiab vaum ua si cov luag hauj lwm tseem ceeb hauv huab cua ntawm pph cov yeeb nkab fittings. Huab cua ntau hloov pauv, los ntawm cov khw sov sov kom txias winters, tuaj yeem ua rau cov khoom siv los nthuav dav, ua rau tsim ntawm kev ntxhov siab sab hauv thiab tawg. High countity ntau yuav txhawb kev nqus ntawm kev nqus ntawm noo noo los ntawm PPH, uas yuav pib cov txheej txheem cov tshuaj tiv thaiv kev siv ntshav thiab cov khoom siv tsis muaj zog. Hauv thaj chaw nrog cov av noo thiab nquag los nag, PPH cov yeeb nkab fittings muaj ntau dua rau cov pwm kev loj hlob thiab qhov chaw saum npoo av. Ntxiv mus, kev sib xyaw ua ke ntawm cov dej sov siab thiab cov av noo tuaj yeem nrawm cov tshuaj tiv thaiv los ntawm UV hluav taws xob, ntxiv rau cov yeeb nkab tsis kam ntawm cov yeeb nkab fittings.

Khoom vaj

Cov qauv ntawm PPH yog qhov tseem ceeb tshaj plaws txiav txim siab txog nws cov huab cua tsis kam. Cov tshuaj ntxiv xws li UV Stabilizers, antioxidants, thiab cov lim dej tuaj yeem txhim kho cov khoom muaj peev xwm tiv thaiv cov huab cua. UV Stabilizers, xws li cuam tshuam amine lub teeb cigilizers (hals) thiab nyem radicals lossis supzool dawb radicals tsim tawm thaum lub sij hawm cov txheej txheem pppher ppmer. Antioxidants tiv thaiv lossis qeeb ntawm oxidation ntawm ppph los ntawm kev raug mob oxygen rau saum huab cua. Fillers, xws li calcium carbonate lossis talc, tuaj yeem txhim kho cov khoom siv tshuab ntawm pph thiab tseem muaj qee qhov kev tiv thaiv kev tiv thaiv UV hluav taws xob. Hom, tus nqi, thiab kev sib txuas ntawm cov kev sib ntxiv ntawm pph tsim ncaj qha cuam tshuam rau nws cov huab cua tsis kam ua haujlwm.

Kev laus mechanisms ntawm pph cov yeeb nkab fittings nyob rau hauv huab cua

PhotoGradation

Photodegration yog thawj cov laus kev laus ntawm pph cov yeeb nkab fittings hauv UV hluav taws xob. Thaum PPH yog nthuav tawm rau UV Rays, lub zog los ntawm cov photon tau nqus los ntawm cov kab txuas polymer, tshwj xeeb yog cov pa roj carbon - hydrogen (C - HARBON - Cov pa roj carbon (C - C) B). Kev nqus ntawm lub zog tsoo cov nyiaj txhiv, tsim cov radicals dawb. Cov radicals dawb ces hnov ​​mob nrog oxygen nyob rau saum huab cua, ua rau kev tsim cov hnoos qeev thiab hydroploxides. Cov portopide thiab hydropopides txuas ntxiv decompose cov ntaub pua npab, ua rau muaj kev txo qis hauv cov yeeb nkab lub zog, thiab tshem tawm ntawm lub pvc cov yeeb nkab fittings.

Thermal degradation

Thermal kev tsis pom tshwm sim thaum pph cov yeeb nkab fittings raug rau qhov kub. Thaum lub zog kub, lub zog thermal ua rau cov ntaub pua npab uas ua rau co muaj zog ntau dua, ua kom muaj kev sib tw ntawm kev sib raug zoo. Lub decomposition ntawm pph thaum muaj qhov kub thiab txias tuaj yeem ua rau cov kev tso tawm ntawm cov teb chaws tsis zoo, xws li cov roj av uas ua haujlwm propylene, thiab kev tsim cov ntoo khaub lig - txuas cov qauv. Sij hawm dhau los, thermal degradation tsis muaj zog muaj zog cov khoom siv cov yeeb nkab ntawm cov yeeb nkab fittings, ua rau lawv muaj ntau nkab thiab nquag tawg ua kev ntxhov siab.

Hydrolytic degradation

Nyob rau hauv muaj cov dej noo, pph tuaj yeem dhau hydrolytic degradation. Dej lwg me me tuaj yeem hnov ​​mob nrog cov pab pawg nyob hauv PP MMYMER, xws li Ester lossis Amide Pph, ua txhaum txoj kev sib raug zoo thiab ua rau kev tsim kom muaj kev tsim ntawm cov pob zeb me me. Hydrolytic degradation yog qhov ntau dua yuav tshwm sim hauv qhov siab - av noo ib puag ncig lossis thaum pph cov yeeb nkab fittings nkag mus rau hauv cov dej ncua. Txoj kev no tuaj yeem ua rau o, muag muag, thiab txo qis hauv cov tshuab hluav taws xob muaj zog ntawm cov yeeb nkab fittings, thaum kawg cuam tshuam rau lawv txoj kev ua tau zoo thiab kev pabcuam lub neej.

Cov qauv kuaj rau huab cua tiv thaiv ntawm ppph tus yeeb nkab fittings

Kev ntsuam xyuas nrawm nrawm

Kev ntsuam xyuas kom nrawm nrawm nrawm yog siv rau simulate thiab ua kom sov ua huab cua hauv chav kuaj. Cov kev ntsuam xyuas no feem ntau yog cuam tshuam nrog pph cov yeeb nkab fittings rau kev sib xyaw ntawm UV hluavtaws, qhov kub thiab cua sov. Xenon Arc Teeb lossis Fluorescent UV teeb Fluors yog siv los tsim kho hluav taws xob UV, thaum huab cua thiab cov av noo tswj cov kev tswj ib puag ncig. Cov qauv yog nthuav tawm cov xwm txheej nrawm no rau ib lub sijhawm tshwj xeeb, thiab tom qab ntawd lawv cov xim muaj zog, ua kom muaj zog, thiab cuam tshuam. Kev ntsuam xyuas cov cua nrawm cia cia cov tuam txhab kom ntsuas cov huab cua nrawm nrawm ntawm cov huab cua sib txawv ntawm PPHULAGULY.

Kev sim ntuj huab cua

Kev sim ntuj huab cua koom nrog kev nthuav tawm pPH cov yeeb nkab fittings rau qhov chaw sab nraum zoov nyob rau ib puag ncig. Cov qauv raug teeb tsa raug teeb tsa nyob rau thaj chaw sib txawv nrog huab cua sib txawv, xws li thaj chaw ntug hiav txwv, cov suab puam, lossis thaj chaw sov. Kev tshawb xyuas ib txwm yog nqa tawm los saib xyuas cov kev hloov pauv ntawm cov tsos, cov khoom siv tshuaj, thiab tshuaj lom neeg ntawm cov yeeb nkab fittings. Kev ntsuam xyuas ntuj huab cua muab kev txheeb xyuas cov huab cua tiag tiag ntawm huab cua tsis kam ntawm PPH, vim lawv tau coj mus rau hauv cov kev sib txuas ntawm ib puag ncig. Txawm li cas los xij, cov kev ntsuam xyuas no yog lub sijhawm - siv thiab yuav raug cuam tshuam los ntawm kev sib txawv hauv zos, yog li lawv feem ntau siv ua ke nrog kev ntsuam xyuas nrawm dua rau kev ntsuam xyuas kev ua kom zoo dua.

Cov tswv yim rau kev txhim kho huab cua tiv thaiv ntawm ppph cov yeeb nkab fittings

Ntxiv rau kev ua kom zoo

Ua kom zoo dua cov kev sib ntxiv hauv Pph yog kev ua haujlwm zoo los txhim kho nws cov huab cua tsis kam. Cov tuam txhab tsim khoom tuaj yeem ua rau muaj ntau npaum li cas ntawm cov siab - kev ua tau zoo UV stabilizers thiab antioxidants, tshwj xeeb yog cov uas muaj kev sib raug zoo nrog pph. Sib txuas ntau hom UV Stabiilizers, xws li siv ob qho tib si kev tuag thiab benzophenones, tuaj yeem tiv thaiv UV hluav taws xob UV. Txuas ntxiv, ntxiv rau cov fitres tshwj xeeb nrog huab cua - resistant yam ntxwv, nyiam hloov calbonate lossis Mica, tuaj yeem txhim kho cov tshuab thiab kev ua haujlwm ntawm pph. Kev tshawb fawb thiab kev tsim kho kev tsim kho kuj tseem yuav tsom rau kev tshawb xyuas cov khoom ntxiv thiab lawv cov kev sib txuas ua ke kom ua tiav huab cua tsis kam.

Nto Kho

Cov txheej txheem kev kho deg tuaj yeem muab cov txheej ntxiv ntawm kev tiv thaiv rau pph cov yeeb nkab fittings tiv thaiv kev tawm tsam huab cua. Txheej saum npoo nrog huab cua - resistant cov ntaub ntawv, xws li xim fluoropolymer lossis acrylic, tuaj yeem ua raws li cov duab hluav taws, noo noo, thiab lwm yam chaw ib puag ncig. Cov txheej txheej no kuj tuaj yeem txhim kho lub ntsej muag du, txo cov kev txuam nrog av thiab noo noo, thiab tiv thaiv kev loj hlob ntawm cov pwm thiab mildew. Kev kho ntshav ntshav lossis tshuaj lom neeg tuaj yeem siv los hloov cov khoom saum npoo ntawm pph, ua rau nws tiv thaiv huab cua ntxiv. Piv txwv, ntshav kho mob tuaj yeem nce lub zog saum npoo ntawm pph, txhim kho cov nplaum ntawm cov tshuaj tiv thaiv tiv thaiv huab cua tiv thaiv.

Tsim thiab Kev Txiav Txim Siab

Cov qauv tsim qauv thiab kev teeb tsa tsim nyog tuaj yeem pab txhawb kom cov huab cua tsis kam ntawm ppph cov yeeb nkab fittings. Nyob rau hauv tus qauv tsim, tsis txhob muaj huab cua thiab siv huab cua zoo li ntau tau, tuaj yeem txo cov kev cuam tshuam ntawm huab cua. Thaum lub sijhawm teeb tsa, kom meej rwb thaiv tsev thiab kev sib khi tuaj yeem tiv thaiv kom noo ingress thiab kev ntxhov siab thermal. Kev tu ib txwm tu, suav nrog kev ntxuav cov nplaim hluav taws xob kom tshem tawm cov plua av thiab cov kab mob qeeb, kuj tuaj yeem qeeb txoj kev pabcuam lub neej ntawm pph cov yeeb nkab fittings hauv ib puag ncig sab nraum zoov.

Tag

Cov huab cua tiv thaiv ntawm ppph cov yeeb nkab fittings yog qhov tseem ceeb tshaj plaws uas txiav txim siab lawv qhov kev ua tau zoo thiab kav lub neej nyob sab nraum zoov. Nkag siab txog qhov tseem ceeb, muaj feem cuam tshuam txog cov ntsiab lus, kev ua haujlwm, thiab cov tswv yim rau kev ntseeg tau thiab ruaj khov PPH cov yeeb nkab fittings hauv huab cua huab cua. Los ntawm kev tshawb nrhiav nruam thiab kev txhim kho kev ua kom zoo, ua kom zoo dua qub, cov txheej txheem txhim kho, ntsib kev txhim kho kom muaj zog, ntsib kev nce qib ntawm kev lag luam sab nraum zoov hauv ntau qhov kev lag luam. Raws li cov ntawv thov ntawm PPH cov yeeb nkab fittings hauv chaw ib puag ncig mus txuas ntxiv mus nthuav dav lawv cov huab cua tsis tseem ceeb rau kev txhim kho kev lag luam piping.

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