1.PC/ABS

Cov cheeb tsam ntawm daim ntawv thov: khoos phis tawj thiab lub tshuab ua lag luam hauv tsev, khoom siv hluav taws xob, tshuab nyom thiab vaj, tsheb qhov chaw dashboards, sab hauv, thiab lub log npog.

Kev txhaj tshuaj molding txheej txheem.
Kev kho kom qhuav: Kev kho kom qhuav ua ntej ua tiav yog qhov yuav tsum tau ua.Cov av noo yuav tsum tsawg dua 0.04%.Qhov pom zoo kom qhuav yog 90 txog 110 ° C thiab 2 mus rau 4 teev.
Melting kub: 230 ~ 300 ℃.
Pwm kub: 50 ~ 100 ℃.
Kev txhaj tshuaj siab: nyob ntawm qhov yas.
Kev txhaj tshuaj ceev: siab npaum li qhov ua tau.
Cov khoom siv tshuaj lom neeg thiab lub cev: PC / ABS muaj cov khoom sib xyaw ua ke ntawm PC thiab ABS.Piv txwv li, cov yam ntxwv ua tau yooj yim ntawm ABS thiab cov khoom siv zoo heev thiab thermal stability ntawm PC.Qhov piv ntawm ob yuav cuam tshuam rau thermal stability ntawm PC / ABS khoom.cov khoom siv hybrid zoo li PC / ABS kuj qhia tau zoo heev ntws.

2. PC/PBT
Cov ntawv thov: gearboxes, automotive bumpers thiab cov khoom uas xav tau tshuaj thiab corrosion kuj, thermal stability, cuam tshuam tsis kam thiab geometric stability.
Kev txhaj tshuaj molding txheej txheem.
Kev kho kom qhuav: 110 ~ 135 ℃, kwv yees li 4 teev kev kho kom qhuav yog pom zoo.
Melting kub: 235 ~ 300 ℃.
Pwm kub: 37 ~ 93 ℃.
Cov khoom siv tshuaj lom neeg thiab lub cev PC / PBT muaj cov khoom sib xyaw ua ke ntawm PC thiab PBT, xws li siab tawv thiab geometrical stability ntawm PC thiab tshuaj stability, thermal stability thiab lubrication zog ntawm PBT.

3.PE-HD

Cov ntawv thov: cov thawv tub yees, cov thawv ntim khoom, cov khoom siv hauv tsev, lub hau kaw, thiab lwm yam.

Kev txhaj tshuaj molding txheej txheem.
Kev ziab kom qhuav: Tsis tas yuav qhuav yog tias khaws cia kom zoo.
Melting kub: 220 ~ 260 ° C.Rau cov ntaub ntawv nrog cov molecules loj, qhov pom zoo melting kub yog nyob nruab nrab ntawm 200 thiab 250 ° C.
Pwm kub: 50-95 ° C.Cov pwm kub siab yuav tsum tau siv rau phab ntsa thicknesses hauv qab 6 hli thiab qis pwm kub rau phab ntsa thicknesses saum 6 hli.Qhov txias txias ntawm cov khoom yas yuav tsum tsis sib xws los txo qhov sib txawv ntawm qhov shrinkage.Rau lub sijhawm zoo tshaj plaws, lub qhov cua txias qhov kab noj hniav yuav tsum tsis pub tsawg tshaj 8 hli thiab qhov kev ncua deb ntawm cov pwm saum npoo yuav tsum tsis pub dhau 1.3d (qhov "d" yog txoj kab uas hla ntawm lub qhov cua txias).
Txhaj siab: 700-1050 bar.
Kev txhaj tshuaj ceev: Kev txhaj tshuaj ceev yog pom zoo.Khiav thiab rooj vag: Cov kab khiav khiav yuav tsum nyob nruab nrab ntawm 4 thiab 7.5 hli thiab qhov ntev ntawm tus khiav yuav tsum luv li sai tau.Ntau hom rooj vag tuaj yeem siv tau thiab qhov ntev ntawm lub rooj vag yuav tsum tsis pub tshaj 0.75mm.tshwj xeeb tshaj yog tsim rau siv kub khiav pwm.
Tshuaj lom neeg thiab lub cev cov khoom: lub siab crystallinity ntawm PE-HD ua rau muaj zog, tensile lub zog kub, kub distort thiab tshuaj ruaj khov.PE-HD muaj kev tiv thaiv ntau dua rau permeation dua PE-LD.PE-HD muaj qhov cuam tshuam qis zog.Cov khoom ntawm PH-HD feem ntau yog tswj los ntawm qhov ntom ntom thiab molecular hnyav faib.Qhov hnyav molecular faib ntawm PE-HD haum rau kev txhaj tshuaj molding yog nqaim heev.Rau qhov ceev ntawm 0.91-0.925g / cm3, peb hu nws thawj hom PE-HD;rau qhov ceev ntawm 0.926-0.94g / cm3, nws yog hu ua thib ob hom PE-HD;rau qhov ceev ntawm 0.94-0.965g / cm3, nws yog hu ua thib peb hom PE-HD.-Cov khoom muaj cov yam ntxwv zoo ntws, nrog MFR ntawm 0.1 thiab 28. Qhov siab dua qhov hnyav molecular, qhov tsis zoo ntawm cov yam ntxwv ntawm PH-LD, tab sis nrog kev cuam tshuam zoo zog.PE-LD yog cov khoom siv semi-crystalline nrog lub siab ntsws. Tom qab molding, nruab nrab ntawm 1.5% thiab 4%. PE-HD yog qhov cuam tshuam rau ib puag ncig kev ntxhov siab tawg.PE-HD tau yooj yim yaj hauv cov kuab tshuaj hydrocarbon ntawm qhov kub siab tshaj 60C, tab sis nws tsis kam rau kev sib cais yog me ntsis zoo dua li ntawm PE-LD.

4.PE-LD
Qhuav: feem ntau tsis tas yuav tsum tau
Melting kub: 180 ~ 280 ℃
Pwm kub: 20 ~ 40 ℃ Txhawm rau kom ua tiav cov cua txias thiab kev txuag hluav taws xob ntau dua, nws raug pom zoo tias qhov cua txias kab noj hniav yuav tsum muaj tsawg kawg yog 8 hli thiab qhov kev ncua deb ntawm qhov cua txias rau cov pwm saum npoo yuav tsum tsis pub tshaj 1.5 npaug ntawm qhov cua txias kab noj hniav txoj kab uas hla.
Txhaj siab: mus txog 1500 bar.
Tuav siab: mus txog 750 bar.
Kev txhaj tshuaj nrawm: Kev txhaj tshuaj nrawm yog pom zoo.
Khiav thiab rooj vag: Ntau hom kev khiav thiab rooj vag tuaj yeem siv PE tshwj xeeb tshaj yog siv rau cov pwm kub khiav.
Cov khoom siv tshuaj lom neeg thiab lub cev: Qhov ntom ntawm PE-LD cov khoom siv rau kev lag luam yog 0.91 txog 0.94 g / cm3.PE-LD yog permeable rau roj thiab dej vapor.Cov coefficient ntawm thermal expansion ntawm PE-LD tsis haum rau kev ua cov khoom. rau kev siv mus ntev.Yog hais tias qhov ceev ntawm PE-LD yog nyob nruab nrab ntawm 0.91 thiab 0.925g / cm3, ces nws shrinkage tus nqi ntawm 2% thiab 5%;Yog hais tias qhov ceev yog nyob nruab nrab ntawm 0.926 thiab 0.94g / cm3, ces nws shrinkage tus nqi ntawm 1.5% thiab 4%.Qhov tseeb tam sim no shrinkage kuj nyob ntawm kev txhaj tshuaj molding txheej txheem tsis.PE-LD tiv taus ntau cov kuab tshuaj nyob rau hauv chav tsev kub, tab sis muaj ntxhiab thiab chlorinated hydrocarbon solvents tuaj yeem ua rau nws o.Zoo ib yam li PE-HD, PE-LD yog qhov cuam tshuam rau ib puag ncig kev ntxhov siab tawg.