Kev Taw Qhia Txog Cov Hlau PVC Uas Muaj Pa Luam Yeeb Tsawg Thiab Cov Khoom Siv Cable
Cov hlau thiab cov cable uas muaj pa luam yeeb tsawg PVC (Polyvinyl Chloride) yog cov khoom siv thermoplastic tshwj xeeb uas tsim los txo cov pa luam yeeb thiab cov pa roj lom thaum lub sijhawm hlawv. Qhov no ua rau lawv yog qhov kev xaiv tseem ceeb rau cov ntawv thov uas kev nyab xeeb hluav taws yog qhov tseem ceeb. Feem ntau siv rau kev rwb thaiv tsev thiab lub tsho hauv cov cables hluav taws xob, cov tshuaj no muaj ntau yam ntxwv tseem ceeb:
Kev sib xyaw ua ke:Cov tshuaj PVC uas tsis muaj pa luam yeeb tsawg yog tsim los ntawm kev sib xyaw ua ke ntawm PVC resin, cov khoom siv yas (xws li dioctyl phthalate thiab tri-2-ethylhexyl trimellitate), cov tshuaj tua hluav taws (piv txwv li, antimony trioxide, txhuas trihydrate, thiab zinc borate), cov tshuaj stabilizers (calcium/zinc-based), cov khoom sau (calcium carbonate), thiab cov roj nplua nyeem.
Cov Khoom Uas Muaj Pa Luam Yeeb Tsawg:Tsis zoo li cov PVC txheem, uas tuaj yeem txo qhov pom kev txog li 90% hauv 30 feeb xwb vim muaj pa luam yeeb ntau, cov khoom sib xyaw PVC uas muaj pa luam yeeb tsawg yog tsim los ua kom tau raws li cov qauv kev nyab xeeb xws li BS EN 61034. Cov khoom sib xyaw no tso cai rau tsawg kawg 60% lub teeb xa mus rau lub teeb thaum lub sijhawm hlawv, ua kom muaj kev nyab xeeb zoo heev.
Kev Tiv Thaiv Hluav Taws KubPVC muaj cov yam ntxwv tiv taus hluav taws vim nws cov chlorine muaj nyob hauv, uas tau txhim kho nrog cov khoom ntxiv tiv taus hluav taws. Cov tshuaj no ua tau raws li cov qauv nruj xws li IEC 60332-1-2, UL VW1, thiab E84 (qhov ntsuas hluav taws kub <25, qhov ntsuas pa luam yeeb <50).
Cov ntawv thov:Feem ntau siv rau hauv cov chaw muaj kev pheej hmoo siab xws li cov chaw khaws ntaub ntawv, qhov av, dav hlau, tsheb ciav hlau, thiab cov tsev pej xeem, cov hlau PVC uas muaj pa luam yeeb tsawg thiab cov khoom sib xyaw ua ke yog qhov tseem ceeb rau kev txo qis cov kev pheej hmoo cuam tshuam nrog cov pa luam yeeb thiab cov pa lom thaum muaj hluav taws.
Cov Teeb Meem Ua Haujlwm thiab Cov Kev Daws Teeb Meem rau Cov Hlau PVC Uas Muaj Pa Luam Yeeb Tsawg thiab Cov Khoom Siv Cable
Kev ua cov khoom sib xyaw PVC uas muaj pa luam yeeb tsawg suav nrog kev tswj hwm ntau yam teeb meem, tshwj xeeb tshaj yog vim lawv cov qauv nyuaj. Hauv qab no, peb tham txog qee qhov teeb meem ua cov khoom siv feem ntau thiab lawv cov kev daws teeb meem:
1. Cov Ntsiab Lus Sau Siab Ua Rau Kev Txav Mus Los Tsis Zoo thiab Lub Torque Siab
Kev Sib Tw:Yuav kom ua tiav cov yam ntxwv pa luam yeeb tsawg, cov khoom sib xyaw PVC feem ntau muaj cov khoom siv inorganic ntau xws li txhuas trihydrate (ATH) lossis magnesium hydroxide (Mg(OH)₂) - feem ntau yog 20-60% los ntawm qhov hnyav. Thaum cov khoom siv no txo cov pa luam yeeb thiab nplaim taws, lawv tuaj yeem ua rau kom viscosity nce ntxiv, txo qhov ntws tau, thiab ua rau cov khoom siv hnav.
Cov Kev Daws Teeb Meem:
Siv cov khoom pab ua haujlwm xws li cov roj nplua nyeem sab hauv/sab nraud (piv txwv li, calcium stearate, polyethylene waxes, lossiscov khoom siv silicone) ntawm 0.5-2.0 phr kom txo qhov viscosity thiab txhim kho kev ntws.
Siv cov extruders twin-screw uas muaj L/D ratio siab los txhim kho kev sib tov thiab kev sib kis ntawm cov khoom sau.
Siv cov tshuab kneader nrog cov conical force feeding kom ntseeg tau tias muaj kev sib xyaw ua ke.
Xaiv cov khoom sau uas muaj cov qhov loj me thiab kev kho qhov chaw tswj tau kom zoo dua qub thiab txo qhov puas.
2. Kev Ruaj Ntseg Thermal
Kev Sib Tw:PVC tuaj yeem lwj thaum lub sijhawm ua tiav, tshwj xeeb tshaj yog nrog cov khoom siv ntau thiab cov khoom siv hluav taws xob, tso tawm cov pa roj hydrogen chloride (HCl) uas ua rau cov khoom puas tsuaj, xim tsis zoo, thiab xeb cov khoom siv.
Cov Kev Daws Teeb Meem:
Ntxiv cov tshuaj stabilizers xws li calcium/zinc-based stabilizers ntawm 2-4 phr kom neutralize HCl thiab tiv thaiv kev puas tsuaj.
Siv cov roj taum pauv epoxidized (ESO) ua tus co-stabilizer rau kev txhim kho thermal thiab photo-stability.
Tswj qhov kub ntawm kev ua haujlwm kom raug (160-190 ° C) kom tsis txhob kub dhau.
Muaj cov tshuaj phenolic antioxidants (piv txwv li, Bisphenol A ntawm 0.3-0.5%) los txhim kho kev tiv thaiv kev laus thaum lub sijhawm ua tiav.
3. Kev Hloov Chaw Yas
Kev Sib Tw:Cov yas siv los txhim kho kev ywj pheej tuaj yeem hloov pauv mus rau hauv qhov kub siab (piv txwv li, hauv cov chaw khaws ntaub ntawv), ua rau muaj cov khoom seem uas yuav cuam tshuam rau kev xa cov teeb liab lossis txo qhov ntev ntawm cov xov hlau.
Cov Kev Daws Teeb Meem:
Siv cov tshuaj polymeric plasticizers uas tsis tsiv teb tsaws chaw es tsis txhob siv cov monomeric (piv txwv li, DOP, DINP) kom txo qhov kev tsiv teb tsaws chaw.
Tsim cov mis plenum "tsis muaj kua", raws li OTECH tau tsim, los tiv thaiv kev hloov pauv ntawm cov yas hauv qhov chaw kub siab.
Xaiv cov plasticizers zoo li TOTM, uas muaj qhov tsis tshua muaj zog thiab tsim nyog dua rau cov ntawv thov kub siab.
4. Kev Sib Npaug ntawm Kev Tiv Thaiv Hluav Taws thiab Kev Tswj Pa Luam Yeeb
Kev Sib Tw:Kev ua kom cov khoom siv tiv taus hluav taws ntau ntxiv xws li antimony trioxide (3-5%) lossis cov tshuaj brominated (12-15%) tuaj yeem ua rau cov pa luam yeeb ntau ntxiv, ua rau nws nyuaj rau kev sib npaug ob qho tib si. Ib yam li ntawd, cov khoom siv xws li calcium carbonate tuaj yeem txo cov pa luam yeeb tab sis yuav txo cov pa oxygen, cuam tshuam rau kev tiv taus hluav taws.
Cov Kev Daws Teeb Meem:
Siv cov tshuaj ua ke uas tiv thaiv hluav taws kub (piv txwv li, ATH nrog zinc borate) los ua kom zoo dua ob qho tib si tiv thaiv hluav taws kub thiab txo cov pa luam yeeb. Piv txwv li, ATH tso cov pa dej tawm los cuam tshuam kev kub hnyiab thiab tsim cov txheej char tiv thaiv, uas txo cov pa luam yeeb.
Txwv qhov CaCO₃ thauj khoom mus rau 20-40 phr kom sib npaug ntawm tus nqi, kev tswj pa luam yeeb, thiab kev tiv thaiv hluav taws, vim tias ntau dhau tuaj yeem txo qhov ntsuas oxygen.
Tshawb nrhiav cov qauv PVC uas sib txuas tau, xws li cov hluav taws xob sib txuas PVC, los txhim kho kev tiv thaiv hluav taws yam tsis tas siv cov tshuaj ntxiv halogenated ntau.
5. Kev Ua Haujlwm thiab Qhov Zoo ntawm Qhov Chaw
Kev Sib Tw:Cov khoom sau thiab cov khoom ntxiv ntau dhau tuaj yeem ua rau qhov chaw tsis zoo, cov kua qaub ncaug tawm, thiab kev rho tawm tsis sib xws, uas cuam tshuam rau qhov tsos thiab kev ua haujlwm ntawm cov khoom siv cable kawg.
Cov Kev Daws Teeb Meem:SivSILIKE silicone hmoov LYSI-100AQhov nocov khoom siv siliconeyog siv dav ua ib qhocov khoom siv ua kom zoo rau cov roj nplua nyeemrau cov txheej txheem resin sib xws nrog PVC los txhim kho cov khoom ua tiav thiab qhov zoo ntawm qhov chaw. Xws li cov dej ntws zoo dua, pwm sau & tso tawm, lub zog extruder tsawg dua, thiab cov coefficient qis dua ntawm kev sib txhuam, kev sib txhuam ntau dua, thiab kev tiv thaiv kev puas tsuaj ...
Cov txiaj ntsig tseem ceeb ntawm silicone hmoov LYSI-100A rau PVC sib xyaw thiab cov khoom siv kawg:
1) Cov pa luam yeeb tsawg PVC hlau thiab cov khoom sib xyaw ua ke: kev sib xyaw ua ke ruaj khov, lub zog tuag tsawg dua, qhov chaw du ntawm hlau & cable.
2) Kev sib txhuam qis PVC hlau thiab cable: Coefficient qis ntawm kev sib txhuam, kev xav du ntev.
3) Cov khoom PVC uas tiv taus khawb: Tiv thaiv khawb, zoo li hauv PVC shutters.
4) PVC profiles: zoo dua pwm sau thiab pwm tso tawm, tsis muaj pwm flash.
5) PVC yeeb nkab: ceev extrusion ceev, txo COF, txhim kho qhov du ntawm qhov chaw, thiab txuag nqi.
Yog tias koj ntsib teeb meem nrog kev ua cov khoom sib xyaw PVC thiab qhov tsis zoo ntawm qhov chaw, lossis muaj teeb meem nrog kev ua cov hlau thiab cable PVC uas muaj pa luam yeeb tsawg, simLYSI-100A Silicone Hmoov rau kev extrusion du thiab ua haujlwm tau zoo dua.
For help locating specific information about a particular product, you can contact us at Tel: +86-28-83625089 / +86-15108280799, via email: amy.wang@silike.cn, or visit our website www.siliketech.com to discover how SILIKE can solve your PVC wire and cable production challenges related to processing properties and surface quality. We offer solutions including:
Txhim kho qhov zoo ntawm cov khoom siv PVC uas muaj pa luam yeeb tsawg
Txhim kho PVC Cable Extrusion nrog Silicone Hmoov
Kev Pab Ua Haujlwm rau PVC Cov Tshuaj Sib xyaw kom txo qhov kev sib txhuam
Txhim kho PVC Hlau thiab Cable Extrusion Efficiency
Txhim kho PVC Compound Flowability rau Kev Ua Kom Sai Dua
Cov Khoom Siv Silicone Ntxiv Rau Kev Txhim Kho PVC Ua Haujlwm Zoo
Ua kom PVC Cable Compound Performance zoo tshaj plaws nrog Silicone Masterbatch
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Lub sijhawm tshaj tawm: Tsib Hlis-09-2025
