1.PE Stretch Zaj Duab Xis Txhais
PE zaj duab xis ncab (tseem hu ua ncab qhwv) yog ib zaj duab xis yas uas muaj cov khoom nplaum uas tuaj yeem ncab thiab qhwv nruj nreem rau ib sab (extrusion) lossis ob sab (blown). Cov nplaum tsis lo rau ntawm qhov chaw ntawm cov khoom tab sis tseem nyob rau ntawm qhov chaw ntawm zaj duab xis. Nws tsis xav tau cua sov ntsws thaum lub sijhawm ntim khoom, uas pab txuag hluav taws xob, txo cov nqi ntim khoom, pab txhawb kev thauj mus los hauv thawv, thiab txhim kho kev ua haujlwm zoo. Kev sib xyaw ua ke ntawm cov pallets thiab forklifts txo cov nqi thauj mus los, thiab kev pom tseeb siab pab txhawb kev txheeb xyuas cov khoom, txo cov yuam kev faib khoom.
Cov Lus Qhia Tshwj Xeeb: Lub tshuab zaj duab xis dav 500mm, phau ntawv zaj duab xis dav 300mm, 350mm, 450mm, 500mm, tuab 15um-50um, tuaj yeem txiav ua ntau yam lus qhia.
2. Kev faib tawm ntawm PE Stretch Film Siv
(1) Zaj duab xis ncab tes:Txoj kev no feem ntau yog siv tes ntim khoom, thiab feem ntau cov zaj duab xis ncab tes muaj qhov yuav tsum tau ua kom zoo dua. Txhua lub yob hnyav li 4kg lossis 5kg rau kev yooj yim siv.
(2) Tshuab Ncab Zaj Duab Xis:Zaj duab xis ncab tshuab yog siv rau kev ntim khoom siv tshuab, feem ntau yog tsav los ntawm kev txav mus los ntawm cov khoom kom ua tiav kev ntim khoom. Nws xav tau lub zog tensile siab dua thiab kev ncab ntawm zaj duab xis.
Tus nqi ncab dav dav yog 300%, thiab qhov hnyav dov yog 15kg.
(3) Tshuab Ua Ntej-ncab Zaj Duab Xis:Hom zaj duab xis ncab no feem ntau yog siv rau kev ntim khoom siv tshuab. Thaum lub sijhawm ntim khoom, lub tshuab ntim khoom ua ntej ncab zaj duab xis mus rau qee qhov sib piv thiab tom qab ntawd qhwv nws ncig cov khoom uas yuav tsum tau ntim. Nws vam khom lub elasticity ntawm zaj duab xis los ntim cov khoom kom nruj. Cov khoom muaj lub zog tensile siab, elongation, thiab tiv taus kev tawg.
(4) Zaj duab xis xim:Cov yeeb yaj kiab ncab xim muaj xim xiav, liab, daj, ntsuab, thiab dub. Cov chaw tsim khoom siv lawv los ntim khoom thiab sib txawv ntawm cov khoom sib txawv, ua rau nws yooj yim dua los txheeb xyuas cov khoom.
3. Kev Tswj Xyuas PE Stretch Film Adhesiveness
Kev nplaum zoo ua kom cov txheej sab nraud ntawm cov zaj duab xis ntim khoom lo rau ib leeg, muab kev tiv thaiv rau cov khoom thiab tsim cov txheej sab nraud tiv thaiv uas sib dua nyob ib puag ncig cov khoom. Qhov no pab tiv thaiv cov hmoov av, roj, dej noo, dej, thiab tub sab. Qhov tseem ceeb, kev ntim zaj duab xis ncab faib cov zog sib npaug zos nyob ib puag ncig cov khoom ntim, tiv thaiv kev ntxhov siab tsis sib npaug uas yuav ua rau cov khoom puas tsuaj, uas tsis ua tau nrog cov txheej txheem ntim khoom ib txwm muaj xws li kev khi, kev sib sau ua ke, thiab daim kab xev.
Cov txheej txheem los ua kom muaj kev nplaum feem ntau suav nrog ob hom: ib qho yog ntxiv PIB lossis nws cov khoom siv tswv yim rau hauv polymer, thiab lwm qhov yog sib tov nrog VLDPE.
(1) PIB yog ib qho kua pob tshab, viscous. Ntxiv ncaj qha xav tau cov khoom siv tshwj xeeb lossis kev hloov kho cov khoom siv. Feem ntau, PIB masterbatch siv. PIB muaj cov txheej txheem tsiv teb tsaws chaw, uas feem ntau siv sijhawm peb hnub, thiab kuj cuam tshuam los ntawm qhov kub thiab txias. Nws muaj zog nplaum ntawm qhov kub siab thiab tsawg dua nplaum ntawm qhov kub qis. Tom qab ncab, nws cov nplaum txo qis heev. Yog li ntawd, cov yeeb yaj kiab tiav lawm zoo tshaj plaws khaws cia rau hauv qee qhov kub thiab txias (qhov kub cia pom zoo: 15 ° C txog 25 ° C).
(2) Kev sib xyaw nrog VLDPE muaj qhov nplaum qis dua me ntsis tab sis tsis tas yuav siv cov khoom siv tshwj xeeb. Qhov nplaum ruaj khov, tsis raug rau lub sijhawm txwv, tab sis kuj cuam tshuam los ntawm qhov kub thiab txias. Nws yog qhov nplaum zoo ntawm qhov kub siab tshaj 30 ° C thiab tsawg dua qhov nplaum ntawm qhov kub qis dua 15 ° C. Kev kho qhov ntau ntawm LLDPE hauv cov txheej nplaum tuaj yeem ua tiav qhov viscosity xav tau. Txoj kev no feem ntau siv rau peb txheej co-extrusion zaj duab xis.
4. Cov yam ntxwv ntawm PE Stretch Film
(1) Kev Sib Koom Ua Ib Ke: Qhov no yog ib qho ntawm cov yam ntxwv loj tshaj plaws ntawm cov zaj duab xis ncab, uas khi cov khoom kom ruaj khov rau hauv ib lub thawv me me, ruaj khov, txawm tias nyob rau hauv cov xwm txheej tsis zoo, tiv thaiv kev xoob lossis sib cais ntawm cov khoom. Lub ntim khoom tsis muaj cov npoo ntse lossis nplaum, yog li zam kev puas tsuaj.
(2) Kev Tiv Thaiv Thawj Zaug: Kev tiv thaiv thawj zaug muab kev tiv thaiv rau cov khoom, tsim kom muaj sab nraud tiv thaiv uas sib dua. Nws tiv thaiv cov hmoov av, roj, dej noo, dej, thiab tub sab. Cov zaj duab xis ncab ntim khoom faib cov zog sib npaug zos nyob ib puag ncig cov khoom ntim, tiv thaiv kev hloov pauv thiab kev txav mus los thaum thauj mus los, tshwj xeeb tshaj yog nyob rau hauv kev lag luam luam yeeb thiab textile, qhov twg nws muaj cov teebmeem ntim khoom tshwj xeeb.
(3) Kev Txuag Nyiaj: Kev siv zaj duab xis ncab rau kev ntim khoom tuaj yeem txo cov nqi siv. Zaj duab xis ncab tsuas yog siv li ntawm 15% ntawm cov thawv ntim thawj, li ntawm 35% ntawm cov zaj duab xis cua sov, thiab li ntawm 50% ntawm cov thawv ntim ntawv. Nws kuj txo qhov siv zog ua haujlwm, txhim kho kev ntim khoom zoo, thiab txhim kho qib ntim khoom.
Hauv kev xaus lus, daim ntawv thov ntawm zaj duab xis ncab yog dav heev, nrog rau ntau thaj chaw hauv Suav teb tseem tsis tau tshawb nrhiav, thiab ntau thaj chaw uas tau tshawb nrhiav tseem tsis tau siv dav. Thaum daim ntawv thov nthuav dav, kev siv zaj duab xis ncab yuav nce ntxiv ntau, thiab nws lub peev xwm ua lag luam tsis muaj qhov ntsuas tau. Yog li ntawd, nws yog qhov tsim nyog los txhawb kev tsim khoom thiab kev siv zaj duab xis ncab.
5. Daim ntawv thov ntawm PE Stretch Film
PE stretch zaj duab xis muaj lub zog tensile siab, tsis yooj yim rhuav, pob tshab, thiab zoo heev rau kev rov qab los. Nrog rau qhov piv txwv ua ntej ncab ntawm 400%, nws tuaj yeem siv rau kev ntim khoom, tiv thaiv dej, tiv thaiv plua plav, tiv thaiv kev tawg, thiab tiv thaiv tub sab.
Siv: Nws yog siv rau kev qhwv pallet thiab lwm yam ntim khoom thiab siv dav hauv kev xa tawm txawv teb chaws, lub raj mis thiab cov kaus poom tsim, ua ntawv, kho vajtse thiab khoom siv hluav taws xob, yas, tshuaj lom neeg, cov ntaub ntawv tsim kho, cov khoom ua liaj ua teb, zaub mov, thiab lwm yam lag luam.
Lub sijhawm tshaj tawm: Lub Kaum Hli-25-2023