Taug kev hla txhua qhov chaw ua vaj tse, ua liaj ua teb, lossis chaw xa khoom, thiab koj yuav pom cov ntaub PVC ua haujlwm hnyav - tiv thaiv cov khoom thauj los ntawm nag, npog cov nyom los ntawm kev puas tsuaj los ntawm lub hnub, lossis tsim cov chaw nkaum ib ntus. Dab tsi ua rau cov khoom siv no kav ntev? Nws tsis yog tsuas yog cov yas PVC tuab lossis cov ntaub ruaj khov xwb - nws yog PVC stabilizer uas ua rau cov khoom tsis txhob tawg thaum muaj huab cua sab nraum zoov thiab kev tsim khoom kub heev.
Tsis zoo li cov khoom siv PVC rau sab hauv tsev (xav txog cov plag tsev vinyl lossis phab ntsa panels), cov tarpaulins ntsib ntau yam kev ntxhov siab tshwj xeeb: hluav taws xob UV tsis tu ncua, qhov kub thiab txias hloov pauv heev (txij li lub caij ntuj no txias mus rau lub caij ntuj sov kub), thiab kev quav lossis ncab tas li. Xaiv lub stabilizer tsis raug, thiab koj cov tarps yuav ploj mus, tawg, lossis tev tawm hauv ob peb lub hlis - ua rau koj cov nyiaj rov qab poob, cov khoom pov tseg, thiab poob kev ntseeg siab nrog cov neeg yuav khoom. Cia peb piav qhia yuav ua li cas xaiv lub stabilizer uas ua tau raws li qhov xav tau ntawm tarpaulin, thiab nws hloov pauv koj cov txheej txheem tsim khoom li cas.
Ua Ntej: Dab tsi ua rau Tarpaulins txawv?
Ua ntej yuav tham txog cov hom stabilizer, nws yog ib qho tseem ceeb kom nkag siab txog yam koj lub tarpaulin xav tau kom muaj sia nyob. Rau cov chaw tsim khoom, ob yam tseem ceeb uas ua rau xaiv cov stabilizer:
• Kev ruaj khov sab nraum zoov:Cov ntaub thaiv yuav tsum tiv taus kev puas tsuaj los ntawm UV, kev nqus dej, thiab kev ua kom sov. Cov khoom siv stabilizer uas tsis ua haujlwm ntawm no txhais tau tias cov ntaub thaiv yuav tawg thiab ploj xim ntev ua ntej lawv lub neej xav tau (feem ntau yog 2-5 xyoos).
• Kev ua haujlwm tau zoo ntawm kev tsim khoom:Cov ntaub tarpaulins yog ua los ntawm kev calendering PVC rau hauv cov ntawv nyias nyias lossis extrusion-txheej nws rau ntawm polyester / paj rwb ntaub - ob qho tib si khiav ntawm 170–200 ° C. Lub stabilizer tsis muaj zog yuav ua rau PVC daj lossis tsim cov pob me me thaum lub sijhawm tsim khoom, yuam kom koj pov tseg tag nrho cov pawg.
Nrog rau cov kev xav tau ntawd hauv siab, cia peb saib seb cov stabilizers twg xa tau - thiab yog vim li cas.
Qhov Zoo Tshaj PlawsCov Khoom Siv PVC Stabilizersrau Tarpaulins (Thiab Thaum Twg Yuav Siv Lawv)
Tsis muaj cov khoom siv stabilizer "ib qho loj-haum-txhua tus" rau cov ntaub thaiv dej, tab sis peb txoj kev xaiv yeej ua tau zoo dua lwm tus hauv kev tsim khoom tiag tiag.
1,Cov Khoom Siv Calcium-Zinc (Ca-Zn): Cov Khoom Siv Zoo Tshaj Plaws Rau Cov Tarps Sab Nraum Zoov
Yog tias koj ua cov ntaub thaiv dav dav rau kev ua liaj ua teb lossis chaw cia khoom sab nraum zoov,Cov khoom sib xyaw ua ke Ca-Zn stabilizersyog koj qhov kev xaiv zoo tshaj plaws. Nov yog vim li cas lawv thiaj li tau dhau los ua ib qho khoom tseem ceeb hauv lub Hoobkas:
• Lawv tsis muaj txhuas, uas txhais tau tias koj tuaj yeem muag koj cov ntaub thaiv rau EU thiab Asmeskas cov lag luam yam tsis tas txhawj txog REACH lossis CPSC nplua. Cov neeg yuav khoom niaj hnub no yuav tsis kov cov ntaub thaiv uas ua los ntawm cov ntsev txhuas - txawm tias lawv pheej yig dua los xij.
• Lawv ua si zoo nrog cov tshuaj ntxiv UV. Sib tov 1.2–2% Ca-Zn stabilizer (raws li qhov hnyav PVC resin) nrog 0.3–0.5% hindered amine light stabilizers (HALS), thiab koj yuav ob lossis peb npaug ntawm koj lub tarp qhov kev tiv thaiv UV. Ib lub teb ua liaj ua teb hauv Iowa nyuam qhuav hloov mus rau qhov sib xyaw no thiab tau tshaj tawm tias lawv cov hay tarps kav ntev li 4 xyoos es tsis yog 1 xyoos.
• Lawv ua kom cov ntaub thaiv dej yoo yoo. Tsis zoo li cov tshuaj ruaj khov uas ua rau PVC tawv, Ca-Zn ua haujlwm nrog cov tshuaj yas kom tswj tau qhov yooj ywm - qhov tseem ceeb rau cov ntaub thaiv dej uas yuav tsum tau dov thiab khaws cia thaum tsis siv.
Cov lus qhia zoo:Yog koj ua cov ntaub thaiv dej uas tsis hnyav (xws li cov ntaub thaiv rau kev mus pw hav zoov), xaiv cov kua Ca-Zn. Nws sib xyaw nrog cov khoom yas ntau dua li cov hmoov, ua kom muaj kev ywj pheej thoob plaws tag nrho cov ntaub thaiv dej.
2,Cov Tshuaj Sib Xyaws Barium-Zinc (Ba-Zn): Rau Cov Tarps Hnyav & Kub Siab
Yog tias koj lub hom phiaj yog cov ntaub thaiv hnyav - cov ntaub npog tsheb thauj khoom, cov chaw nkaum hauv kev lag luam, lossis cov chaw thaiv kev tsim kho -Cov tshuaj stabilizer Ba-Zntsim nyog rau kev nqis peev. Cov kev sib xyaw no ci ntsa iab qhov chaw uas muaj cua sov thiab kev ntxhov siab siab tshaj plaws:
• Lawv ua haujlwm tau zoo dua li Ca-Zn thaum kub siab. Thaum extrusion-txheej PVC tuab (1.5mm+) rau ntawm daim ntaub, Ba-Zn tiv thaiv kev puas tsuaj los ntawm cua sov txawm tias ntawm 200 ° C, txo cov npoo daj thiab cov seams tsis muaj zog. Ib lub chaw tsim khoom siv logistics hauv Guangzhou tau txo cov nqi pov tseg los ntawm 12% mus rau 4% tom qab hloov mus rau Ba-Zn.
• Lawv ua rau kom tsis txhob kua muag. Ntxiv 1.5–2.5% Ba-Zn rau hauv koj cov mis, thiab PVC yuav ua rau muaj kev sib txuas zoo dua nrog cov ntaub tom qab. Qhov no yog qhov hloov pauv loj rau cov ntaub thaiv tsheb thauj khoom uas raug rub kom nruj rau saum cov khoom thauj.
• Lawv sib xws nrog cov tshuaj tiv thaiv hluav taws. Ntau daim ntaub thaiv kev lag luam yuav tsum ua raws li cov qauv kev nyab xeeb hluav taws (xws li ASTM D6413). Ba-Zn tsis ua haujlwm nrog cov tshuaj tiv thaiv hluav taws, yog li koj tuaj yeem ntaus cov cim kev nyab xeeb yam tsis muaj kev cuam tshuam kev ruaj khov.
3,Cov Khoom Siv Rare Earth Stabilizers: Rau Cov Tarps Export Premium
Yog tias koj tab tom tsom mus rau cov lag luam kim heev - xws li European agricultural tarps lossis North American recreational shelters - cov khoom siv stabilizers uas muaj cov khoom sib xyaw ua ke (lanthanum, cerium, thiab zinc) yog txoj hauv kev zoo tshaj plaws. Lawv kim dua Ca-Zn lossis Ba-Zn, tab sis lawv muab cov txiaj ntsig uas ua rau tus nqi tsim nyog:
• Kev tiv taus huab cua tsis muaj leej twg piv tau. Cov khoom ruaj khov uas tsis tshua muaj neeg tsim tau tiv taus ob qho tib si UV thiab qhov txias heev (txog li -30°C), ua rau lawv zoo meej rau cov ntaub thaiv hnub uas siv rau hauv thaj chaw alpine lossis sab qaum teb. Ib lub npe khoom siv sab nraum zoov hauv Canada siv lawv rau cov ntaub thaiv hnub uas siv rau kev mus pw hav zoov thiab tshaj tawm tias tsis muaj kev rov qab los vim yog qhov tawg ntawm qhov txias.
• Ua raws li cov qauv kev nyab xeeb ib puag ncig. Lawv tsis muaj cov hlau hnyav thiab ua tau raws li EU cov cai nruj tshaj plaws rau cov khoom PVC "ntsuab". Qhov no yog qhov tseem ceeb rau cov neeg yuav khoom uas xav them ntau dua rau cov khoom siv ruaj khov.
• Kev txuag nyiaj mus sij hawm ntev. Txawm hais tias tus nqi ua ntej siab dua, cov khoom siv ruaj khov uas tsis tshua muaj neeg tsim khoom txo qhov xav tau kev kho dua tshiab thiab xa rov qab. Tau ntau xyoo, ntau lub tuam txhab tsim khoom pom tias lawv txuag tau nyiaj piv rau cov khoom ruaj khov pheej yig dua uas ua rau muaj teeb meem zoo.
Yuav Ua Li Cas Kom Koj Lub Stabilizer Ua Haujlwm Nyuaj Dua (Cov Lus Qhia Siv Tau Zoo)
Xaiv lub stabilizer zoo yog ib nrab ntawm kev sib ntaus sib tua - siv nws kom raug yog ib nrab ntxiv. Nov yog peb lub tswv yim los ntawm cov neeg tsim khoom siv tarp uas paub dhau los:
1. Tsis txhob noj ntau dhau
Nws yog qhov xav kom ntxiv cov tshuaj stabilizer ntxiv "kom muaj kev nyab xeeb," tab sis qhov no ua rau nkim nyiaj thiab ua rau cov ntaub thaiv tawv. Ua haujlwm nrog koj tus neeg muag khoom los sim cov koob tshuaj tsawg kawg nkaus: pib ntawm 1% rau Ca-Zn, 1.5% rau Ba-Zn, thiab kho raws li koj qhov kub thiab txias ntawm cov ntaub thaiv. Lub Hoobkas ua ntaub thaiv hauv Mexico txo cov nqi stabilizer los ntawm 15% tsuas yog los ntawm kev txo cov koob tshuaj ntawm 2.5% mus rau 1.8% - tsis muaj kev poob qis hauv qhov zoo.
2,Ua ke nrog cov khoom ntxiv thib ob
Cov khoom ruaj khov ua haujlwm zoo dua nrog kev thaub qab. Rau cov ntaub thaiv sab nraum zoov, ntxiv 2–3% roj taum pauv epoxidized (ESBO) kom txhawb kev ywj pheej thiab tiv taus txias. Rau cov ntawv thov uas muaj UV ntau, sib tov me ntsis ntawm cov tshuaj antioxidant (xws li BHT) los thaiv kev puas tsuaj ntawm cov dawb radical. Cov khoom ntxiv no pheej yig thiab ua rau koj cov khoom ruaj khov ua haujlwm tau zoo dua.
3,Kev Ntsuas Rau Koj Qhov Huab Cua
Ib daim ntaub thaiv uas muag hauv Florida xav tau kev tiv thaiv UV ntau dua li ib daim uas muag hauv xeev Washington. Khiav kev sim me me: muab cov ntaub thaiv piv txwv tso rau hauv lub teeb UV simulated (siv lub ntsuas huab cua) rau 1,000 teev, lossis khov lawv ib hmos thiab xyuas seb puas tawg. Qhov no ua kom koj cov tshuaj stabilizer sib haum nrog koj lub hom phiaj ua lag luam.'cov xwm txheej.
Cov Stabilizers Txhais Koj Lub Tarp'Tus nqi ntawm
Thaum kawg ntawm hnub, koj cov neeg siv khoom tsis quav ntsej txog koj siv cov stabilizer twg - lawv xav kom lawv cov tarp kav ntev txawm tias los nag, hnub, thiab daus. Kev xaiv cov stabilizer PVC zoo tsis yog ib qho kev siv nyiaj ntau; nws yog ib txoj hauv kev los tsim kom muaj lub koob npe nrov rau cov khoom lag luam txhim khu kev qha. Txawm hais tias koj tab tom ua cov tarps ua liaj ua teb pheej yig (siv Ca-Zn) lossis cov npog lag luam zoo (xaiv Ba-Zn lossis cov av tsis tshua muaj), qhov tseem ceeb yog kom phim cov stabilizer rau koj lub tarp lub hom phiaj.
Yog tias koj tseem tsis paub meej tias cov khoom sib xyaw twg ua haujlwm rau koj cov kab, nug koj tus neeg muag khoom stabilizer kom tau cov qauv piv txwv. Sim lawv hauv koj cov txheej txheem tsim khoom, qhia lawv rau hauv cov xwm txheej tiag tiag, thiab cia cov txiaj ntsig coj koj.
Lub sijhawm tshaj tawm: Lub Kaum Hli-09-2025