Lub ntiajteb txawj nqus: 0.94-0.96g / cm3
Pwm shrinkage: 1.5-3.6%
Moulding kub: 140-220 ℃
Khoom siv tau zoo
Corrosion kuj, hluav taws xob rwb thaiv tsev (tshwj xeeb tshaj yog muaj zaus rwb thaiv tsev) zoo heev, yuav chlorinated, irradiation hloov, muaj iav fiber reinforced.Tsis tshua muaj siab polyethylene muaj qhov siab melting point, rigidity, hardness thiab lub zog, tsis tshua muaj dej nqus, zoo hluav taws xob thiab hluav taws xob tsis kam;high-pressure polyethylene muaj qhov yooj yooj yim, elongation, cuam tshuam lub zog thiab permeability;ultra-high molecular hnyav polyethylene muaj qhov cuam tshuam lub zog, qaug zog thiab hnav tsis kam.
Tsis tshua muaj siab polyethylene yog tsim rau ua corrosion resistant qhov chaw thiab insulating qhov chaw;Kev kub siab polyethylene yog tsim rau kev ua yeeb yaj kiab, thiab lwm yam .;UHMWPE yog tsim rau ua rau poob siab absorbing, hnav resistant thiab kis tau tus mob qhov chaw.
Moulding kev ua tau zoo
1 、 Cov khoom siv crystalline, me me nqus dej, tsis tas yuav qhuav tag, fluidity zoo heev, fluidity yog rhiab heev rau lub siab.High-pressure txhaj tshuaj yog tsim rau molding, cov khoom zoo li kub, ceev filling ceev thiab txaus siab-tuav.Nws tsis tsim nyog siv qhov rooj ncaj nraim los tiv thaiv qhov tsis sib xws thiab ua kom muaj kev ntxhov siab sab hauv.Ua tib zoo saib rau qhov kev xaiv ntawm qhov chaw ntawm lub qhov rooj kom tsis txhob shrinkage thiab deformation.
2, Shrinkage ntau thiab shrinkage tus nqi yog loj, cov kev taw qhia yog pom tseeb, yooj yim rau deformation thiab warpage.Cov cua txias ceev yuav tsum qeeb, thiab cov pwm yuav tsum muaj cov kab noj hniav txias thiab cua txias.
3 、 Lub sijhawm cua sov yuav tsum tsis txhob ntev dhau, txwv tsis pub decomposition yuav tshwm sim thiab hlawv.
4 、 Thaum cov khoom yas mos muaj qhov ntiav sab, cov pwm tuaj yeem raug yuam tawm.
5, Kev tawg ntawm cov yaj tuaj yeem tshwm sim thiab yuav tsum tsis txhob cuam tshuam nrog cov kuab tshuaj organic kom tsis txhob tawg.
Lub ntiajteb txawj nqus: 1.18-1.20g / cm3
Pwm shrinkage: 0.5-0.8%
Moulding kub: 230-320 ℃
Kev ziab qhuav: 110-120 ℃ 8 teev
Khoom siv tau zoo
Lub zog muaj zog, ruaj khov zoo, tsis muaj xim thiab pob tshab, xim zoo nkauj, zoo hluav taws xob rwb thaiv tsev, corrosion kuj thiab abrasion tsis kam, tab sis nws tus kheej lubrication tsis zoo, kev ntxhov siab tawg, yooj yim hydrolysis ntawm qhov kub thiab txias, tsis zoo sib xws nrog lwm cov resins.
Nws yog tsim rau ua me me insulating thiab pob tshab qhov chaw ntawm cov twj paj nruag thiab tej yam resistant qhov chaw.
Moulding kev ua tau zoo
1, amorphous khoom, zoo thermal stability, ntau yam molding kub, tsis muaj fluidity.Kev nqus dej me me, tab sis nkag siab rau dej, yuav tsum tau qhuav.Moulding shrinkage yog me me, nws yooj yim rau yaj tawg thiab kev ntxhov siab concentration, yog li cov pwm pwm yuav tsum tau tswj nruj me ntsis, thiab cov khoom yas yuav tsum tau annealed.
2, kub melting kub, siab viscosity, ntau tshaj 200g yas qhov chaw, nws yog tsim nyog los siv lub cua sov hom extension nozzle.
3 、 Cov cua txias ceev ceev, pwm pouring system kom ntxhib, luv luv raws li txoj cai, yuav tsum tau teeb tsa cov khoom txias kom zoo, lub rooj vag yuav tsum tau noj loj, pwm yuav tsum tau rhuab.
4, cov khoom siv kub tsawg dhau yuav ua rau tsis muaj cov khoom siv, cov khoom yas tsis muaj luster, cov khoom siv kub yog siab dhau los yooj yim dhau ntawm ntug, cov khoom yas blistering.Thaum cov pwm kub qis, qhov shrinkage, elongation thiab cuam tshuam lub zog yog siab, thaum khoov, compression thiab tensile lub zog yog tsawg.Thaum pwm kub siab tshaj 120 degrees, cov khoom yas yog qeeb kom txias thiab yooj yim rau deform thiab lo rau pwm.
3, ABS yas (acrylonitrile butadiene styrene)
Lub ntiajteb txawj nqus: 1.05g / cm3
Pwm shrinkage: 0.4-0.7%
Moulding kub: 200-240 ℃
Ua kom qhuav: 80-90 ℃ 2 teev
Khoom siv tau zoo
1 、 Kev ua tau zoo tag nrho, kev cuam tshuam ntau zog, tshuaj lom neeg ruaj khov, hluav taws xob zoo.
2, Zoo fusion nrog 372 organic iav, ua los ntawm ob-xim yas qhov chaw, thiab nto yuav ua tau chrome-plated, tshuaj tsuag xim.
3, muaj kev cuam tshuam siab, kub kub tsis kam, nplaim hluav taws kub, txhim kho, pob tshab thiab lwm qib.
4, fluidity yog me ntsis phem dua HIPS, zoo dua PMMA, PC, thiab lwm yam., zoo yooj.
Haum rau kev ua cov khoom siv dav dav, qhov hnav-tiv taus, kis tau tus mob thiab qhov chaw sib txuas lus.
Moulding kev ua tau zoo
1, cov khoom siv amorphous, nruab nrab fluidity, nqus dej noo, yuav tsum tau qhuav tag nrho, qhov yuav tsum tau ua ntawm cov yas glossy yuav tsum yog lub sijhawm ntev preheat kom qhuav 80-90 degrees, 3 teev.
2, Nws raug nquahu kom siv cov khoom kub thiab pwm kub, tab sis cov khoom kub siab dhau thiab yooj yim rau decompose.Rau siab precision yas qhov chaw, pwm kub yuav tsum yog 50-60 degrees, thiab rau siab gloss tshav kub-resistant yas qhov chaw, pwm kub yuav tsum yog 60-80 degrees.
3 、 Yog tias koj xav daws qhov teeb meem ntawm cov dej clamping, koj yuav tsum txhim kho cov dej ntws ntawm cov khoom, siv cov khoom siv kub, pwm kub kub, lossis hloov cov dej thiab lwm txoj hauv kev.
4, xws li kev tsim cov khoom siv hluav taws xob kub-resistant lossis nplaim hluav taws-retardant qib cov ntaub ntawv, qhov saum npoo ntawm pwm tom qab 3-7 hnub ntawm kev tsim khoom yuav nyob twj ywm yas decomposition, ua rau cov pwm saum npoo ci, pwm yuav tsum tau ntxuav kom raws sijhawm, thaum lub pwm nto yuav tsum tau nce qhov tso pa tawm.
Lub ntiajteb txawj nqus: 0.9-0.91g / cm3
Pwm shrinkage: 1.0-2.5%
Moulding kub: 160-220 ℃
Qhuav tej yam kev mob: -
Khoom siv
Qhov ntom me me, lub zog, tawv tawv, tawv thiab kub tsis kam yog zoo dua li polyethylene tsis tshua muaj siab, tuaj yeem siv li ntawm 100 degrees.Cov khoom siv hluav taws xob zoo thiab cov hluav taws xob ntau zaus tsis cuam tshuam los ntawm cov av noo, tab sis nws dhau los ua nkig ntawm qhov kub thiab tsis muaj pwm resistant thiab yooj yim rau hnub nyoog.
Nws yog tsim los ua cov khoom siv dav dav, cov khoom tiv thaiv corrosion thiab insulating qhov chaw.
Moulding kev ua tau zoo
1, crystalline khoom, noo noo nqus yog me me, yooj yim rau yaj lub cev rupture, ntev kev sib cuag nrog kub hlau yooj yim decomposition.
2, zoo fluidity, tab sis lub shrinkage ntau thiab shrinkage tus nqi yog loj, yooj yim tshwm sim shrinkage, dent, deformation.
3 、 Cov cua txias ceev ceev, lub tshuab nqus dej thiab lub tshuab ua kom txias yuav tsum qeeb kom tsis muaj cua sov, thiab ua tib zoo saib xyuas qhov kub ntawm molding.Cov kev taw qhia ntawm cov khoom siv kub tsawg yog pom tseeb, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias.Thaum cov pwm kub qis dua 50 degrees, cov khoom yas tsis du, yooj yim los tsim cov fusion tsis zoo, tawm hauv cov cim, thiab siab dua 90 degrees, yooj yim rau warp thiab deformation.
4, cov yas phab ntsa tuab yuav tsum tsis sib xws, zam qhov tsis muaj kua nplaum, cov ces kaum ntse, kom tsis txhob muaj kev ntxhov siab.
Lub ntiajteb txawj nqus: 1.05g / cm3
Pwm shrinkage: 0.6-0.8%
Moulding kub: 170-250 ℃
Qhuav tej yam kev mob: -
Khoom siv tau zoo
Hluav taws xob rwb thaiv tsev (tshwj xeeb tshaj yog cov rwb thaiv tsev ntau zaus) yog qhov zoo heev, tsis muaj xim thiab pob tshab, lub teeb kis tau tus mob yog qhov thib ob rau cov iav organic, xim, dej tsis kam, tshuaj lom neeg ruaj khov yog qhov zoo.Lub zog dav dav, tab sis nkig, yooj yim los tsim kev ntxhov siab tawg tawg, tsis tiv taus benzene, roj av thiab lwm cov kuab tshuaj organic.
Nws yog tsim rau kev ua insulating thiab pob tshab qhov chaw, cov khoom siv kho kom zoo nkauj thiab cov khoom siv tshuaj lom neeg thiab cov cuab yeej kho qhov muag.
Kev ua tau zoo
1, cov khoom siv amorphous, me me nqus dej, tsis tas yuav qhuav tag, tsis yooj yim rau decompose, tab sis cov coefficient ntawm thermal expansion yog loj, yooj yim los tsim kev ntxhov siab.Zoo flowability, muaj rau cov ntsia hlau los yog plunger txhaj tshuab molding.
2 、 Cov khoom siv kub kub, pwm kub kub thiab tsis tshua muaj kev txhaj tshuaj yog tsim nyog.Kev ncua sij hawm txhaj tshuaj yog qhov zoo los txo cov kev ntxhov siab sab hauv thiab tiv thaiv shrinkage thiab deformation.
3, muaj nyob rau hauv ntau hom ntawm lub rooj vag, rooj vag thiab yas arc kev twb kev txuas, thiaj li tsis txhob muaj kev puas tsuaj rau cov khoom yas thaum mus rau lub rooj vag.Txoj kab nqes ntawm demoulding yog qhov loj, qhov ejection yog txawm, phab ntsa thickness ntawm cov yas yog txawm, nws yog qhov zoo dua kom tsis txhob muaj cov ntxig ntxig, yog tias muaj cov ntxig, lawv yuav tsum tau preheated.
Post lub sij hawm: Aug-12-2022