1.PC/ABS

Cov chaw siv feem ntau: lub khoos phis tawj thiab cov tshuab ua lag luam, cov khoom siv hluav taws xob, cov tshuab nyom thiab vaj, cov khoom siv tsheb dashboards, sab hauv, thiab cov npog log.

Cov xwm txheej ntawm kev txhaj tshuaj molding.
Kev kho kom qhuav: Yuav tsum tau kho kom qhuav ua ntej ua tiav. Cov av noo yuav tsum tsawg dua 0.04%. Cov xwm txheej ziab pom zoo yog 90 txog 110 ° C thiab 2 txog 4 teev.
Kub yaj: 230 ~ 300 ℃.
Kub pwm: 50 ~ 100 ℃.
Lub zog txhaj tshuaj: nyob ntawm qhov yas.
Kev txhaj tshuaj ceev: siab li siab tau.
Cov khoom siv tshuaj lom neeg thiab lub cev: PC/ABS muaj cov khoom sib xyaw ua ke ntawm ob qho tib si PC thiab ABS. Piv txwv li, cov yam ntxwv yooj yim ua tiav ntawm ABS thiab cov khoom siv kho tshuab zoo heev thiab kev ruaj khov thermal ntawm PC. Qhov sib piv ntawm ob qho yuav cuam tshuam rau kev ruaj khov thermal ntawm PC/ABS khoom. cov khoom sib xyaw xws li PC/ABS kuj qhia txog cov khoom ntws zoo heev.

2.PC/PBT
Cov ntawv thov ib txwm muaj: gearboxes, automotive bumpers thiab cov khoom uas xav tau kev tiv thaiv tshuaj lom neeg thiab corrosion, thermal stability, impact resistance thiab geometric stability.
Cov xwm txheej ntawm kev txhaj tshuaj molding.
Kev kho kom qhuav: 110 ~ 135 ℃, pom zoo kom siv li 4 teev kom qhuav.
Kub yaj: 235 ~ 300 ℃.
Kub pwm: 37 ~ 93 ℃.
Cov khoom siv tshuaj lom neeg thiab lub cev PC/PBT muaj cov khoom sib xyaw ua ke ntawm ob qho tib si PC thiab PBT, xws li kev tawv siab thiab kev ruaj khov geometric ntawm PC thiab kev ruaj khov tshuaj lom neeg, kev ruaj khov thermal thiab cov khoom siv lubrication ntawm PBT.

3.PE-HD

Cov ntawv thov ib txwm muaj: cov thawv tub yees, cov thawv cia khoom, cov khoom siv hauv chav ua noj, cov hau kaw, thiab lwm yam.

Cov xwm txheej ntawm kev txhaj tshuaj molding.
Kev ziab: Tsis tas yuav ziab yog tias khaws cia kom zoo.
Kub yaj: 220 txog 260°C. Rau cov ntaub ntawv uas muaj cov molecule loj dua, qhov kub yaj uas pom zoo yog ntawm 200 thiab 250°C.
Qhov kub ntawm pwm: 50-95°C. Yuav tsum siv qhov kub ntawm pwm siab dua rau cov phab ntsa uas tuab dua 6 hli thiab qhov kub ntawm pwm qis dua rau cov phab ntsa uas tuab dua 6 hli. Qhov kub txias ntawm cov khoom yas yuav tsum sib npaug kom txo qhov sib txawv ntawm kev ntsws. Rau lub sijhawm voj voog zoo tshaj plaws, qhov txoj kab uas hla ntawm qhov txias yuav tsum tsis pub tsawg dua 8 hli thiab qhov deb ntawm qhov pwm yuav tsum nyob hauv 1.3d (qhov twg "d" yog txoj kab uas hla ntawm qhov txias).
Kev txhaj tshuaj siab: 700 txog 1050 bar.
Kev txhaj tshuaj ceev: Pom zoo kom txhaj tshuaj ceev heev. Cov neeg khiav thiab rooj vag: Lub txoj kab uas hla ntawm tus 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 siv tau thiab qhov ntev ntawm lub rooj vag yuav tsum tsis pub tshaj 0.75 hli. tshwj xeeb tshaj yog rau kev siv cov pwm kub khiav.
Cov khoom siv tshuaj lom neeg thiab lub cev: Qhov siab ntawm PE-HD ua rau muaj qhov ceev ceev, lub zog tensile, qhov kub siab distortion kub, viscosity thiab tshuaj stability. PE-HD muaj kev tiv thaiv ntau dua rau permeation dua li PE-LD. PE-HD muaj lub zog cuam tshuam qis dua. Cov khoom ntawm PH-HD feem ntau yog tswj los ntawm qhov ceev thiab kev faib tawm qhov hnyav molecular. Qhov faib tawm qhov hnyav molecular ntawm PE-HD tsim rau kev txhaj tshuaj molding yog nqaim heev. Rau qhov ceev ntawm 0.91-0.925g / cm3, peb hu nws thawj hom ntawm PE-HD; rau qhov ceev ntawm 0.926-0.94g / cm3, nws hu ua hom thib ob ntawm PE-HD; rau qhov ceev ntawm 0.94-0.965g / cm3, nws hu ua hom thib peb ntawm PE-HD. -Cov khoom siv muaj cov yam ntxwv ntws zoo, nrog MFR ntawm 0.1 thiab 28. Qhov siab dua qhov hnyav molecular, qhov tsis zoo ntawm cov yam ntxwv ntws ntawm PH-LD, tab sis nrog lub zog cuam tshuam zoo dua.PE-LD yog cov khoom siv semi-crystalline nrog lub shrinkage siab tom qab molding, ntawm 1.5% thiab 4%.PE-HD yog qhov yooj yim rau kev tawg ntawm kev ntxhov siab ib puag ncig. PE-HD yooj yim yaj hauv cov kuab tshuaj hydrocarbon ntawm qhov kub siab dua 60C, tab sis nws qhov kev tiv thaiv rau kev yaj zoo dua li PE-LD.

4.PE-LD
Kev ziab: feem ntau tsis tas yuav tsum tau
Kub yaj: 180 ~ 280 ℃
Qhov kub ntawm pwm: 20 ～ 40 ℃ Yuav kom ua tiav qhov txias sib xws thiab txo qhov kub thiab txias dua, nws raug pom zoo tias qhov txoj kab uas hla ntawm qhov txias yuav tsum yog tsawg kawg 8 hli thiab qhov deb ntawm qhov txias mus rau qhov pwm nto yuav tsum tsis pub tshaj 1.5 npaug ntawm qhov txoj kab uas hla ntawm qhov txias.
Kev txhaj tshuaj siab: txog li 1500 bar.
Tuav siab: txog li 750 bar.
Kev txhaj tshuaj ceev: Kev txhaj tshuaj ceev yog qhov pom zoo.
Cov neeg khiav thiab rooj vag: Ntau hom neeg khiav thiab rooj vag siv tau PE yog qhov tsim nyog rau kev siv nrog cov pwm kub khiav.
Cov khoom siv tshuaj lom neeg thiab lub cev: Qhov ceev ntawm PE-LD khoom siv rau kev siv lag luam yog 0.91 txog 0.94 g / cm3. PE-LD yog permeable rau roj thiab dej pa. Lub coefficient siab ntawm thermal nthuav dav ntawm PE-LD tsis haum rau kev ua cov khoom siv rau kev siv ntev. Yog tias qhov ceev ntawm PE-LD yog ntawm 0.91 thiab 0.925g / cm3, ces nws tus nqi shrinkage yog ntawm 2% thiab 5%; yog tias qhov ceev yog ntawm 0.926 thiab 0.94g / cm3, ces nws tus nqi shrinkage yog ntawm 1.5% thiab 4%. Qhov tseeb tam sim no shrinkage kuj nyob ntawm cov txheej txheem txhaj tshuaj molding. PE-LD tiv taus ntau cov kuab tshuaj ntawm chav tsev kub, tab sis aromatic thiab chlorinated hydrocarbon solvents tuaj yeem ua rau nws o. Zoo ib yam li PE-HD, PE-LD yog yooj yim rau kev tawg ntawm ib puag ncig.