Dab tsi yog qhov txawv ntawm CPP zaj duab xis thiab PP zaj duab xis?
CPP zaj duab xis thiab PP zaj duab xis yog ob hom yas zaj duab xis dav siv nyob rau hauv ntau yam lag luam. Txawm hais tias lawv yuav zoo sib xws thaum xub thawj siab ib muag, muaj ntau qhov sib txawv tseem ceeb uas ua rau lawv sib nrug. Hauv tsab xov xwm no, peb yuav tshawb txog qhov sib txawv no kom ntxaws, muab kev tshuaj xyuas qhov tob ntawm CPP zaj duab xis thiab PP zaj duab xis.
Taw qhia rau CPP zaj duab xis thiab PP zaj duab xis
CPP zaj duab xis sawv cev rau Cast Polypropylene zaj duab xis. Nws yog ib tug ntau yam yas zaj duab xis uas yog tsim los ntawm cam khwb cia zaj duab xis extrusion txheej txheem. CPP zaj duab xis tau txais koob meej vim nws zoo heev thaum tshav kub kub sealability, siab transparency, thiab noo noo barrier zog. Nws yog feem ntau siv rau ntim ntau yam khoom, suav nrog zaub mov, tshuaj, tshuaj pleev ib ce, thiab lwm yam.
Ntawm qhov tod tes, PP zaj duab xis hais txog Polypropylene zaj duab xis. Nws yog cov thermoplastic polymer uas tau siv dav hauv kev tsim khoom ntawm ntau yam khoom, nrog rau cov yeeb yaj kiab, fibers, ntim, thiab cov khoom ntim. PP zaj duab xis paub txog nws lub zog zoo thiab ua haujlwm ntev, ua rau nws tsim nyog rau cov ntawv thov uas xav tau lub zog tensile siab thiab cuam tshuam.
Kev tsim khoom
Cov txheej txheem tsim khoom rau ob qho tib si CPP zaj duab xis thiab PP zaj duab xis cuam tshuam nrog extrusion, tab sis muaj qhov sib txawv ntawm hom extrusion siv.
CPP zaj duab xis *
CPP zaj duab xis yog tsim los siv cov txheej txheem cam khwb cia extrusion. Cov txheej txheem no suav nrog melting polypropylene resin thiab hla nws los ntawm lub tiaj tiaj tuag, uas yog tom qab ntawd txias sai heev los tsim ib daim ntaub nyias nyias. Lub molten curtain yog ces ncab nyob rau hauv ob qho tib si lub tshuab kev taw qhia (MD) thiab transverse kev taw qhia (TD) kom ua tau raws li qhov xav tau thickness. Thaum kawg, zaj duab xis yog solidified, trimmed, thiab raug mob rau hauv yob.
PP zaj duab xis *
PP zaj duab xis feem ntau yog tsim los siv cov txheej txheem cua tshuab extrusion. Nyob rau hauv cov txheej txheem no, polypropylene cob yog yaj thiab extruded los ntawm ib tug voj voog tuag, tsim ib lub raj zoo li cov qauv. Cua yog ces cua tshuab mus rau hauv nruab nrab ntawm lub raj, ua rau nws nthuav thiab stretch vertically. Tom qab ntawd cov zaj duab xis yog txias thiab solidified ua ntej yuav flattened, trimmed, thiab mob rau hauv yob.
Khoom thiab yam ntxwv
Thaum ob qho tib si CPP zaj duab xis thiab PP zaj duab xis yog tsim los ntawm polypropylene resin, lawv muaj cov khoom sib txawv thiab cov yam ntxwv.
CPP zaj duab xis *
CPP zaj duab xis yog paub txog nws qhov zoo tshaj plaws clarity thiab pob tshab, ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau cov ntawv thov uas xav tau kev pom ntawm cov khoom ntim. Nws muaj cov cua kub zoo sealability, cia kom yooj yim ntim thiab sealing. CPP zaj duab xis kuj tseem muaj cov khoom tiv thaiv zoo noo noo, ua rau nws tsim nyog rau cov khoom uas xav tau kev tiv thaiv los ntawm ya raws thiab av noo.
Tsis tas li ntawd, CPP zaj duab xis muaj lub zog tensile zoo heev thiab puncture tsis kam, muab kev ruaj khov thiab kev tiv thaiv rau cov ntsiab lus sab hauv. Nws muaj qhov elongation tsawg thaum so, txhais tau tias nws tsis tshua muaj zog los yog tsim kua muag hauv siab. CPP zaj duab xis kuj muaj qhov zoo thermal stability, cia nws tiv taus qhov kub thiab txias yam tsis muaj deforming lossis melting.
PP zaj duab xis *
PP zaj duab xis paub txog nws cov khoom siv kho tshuab zoo heev, suav nrog lub zog tensile siab, nruj, thiab cuam tshuam tsis kam. Nws muaj cov tshuaj tiv thaiv zoo thiab tiv taus rau feem ntau cov kua qaub, alkalis, thiab cov kuab tshuaj. PP zaj duab xis kuj tseem paub txog nws qhov pom tseeb thiab ci ntsa iab, muab nws zoo nkauj rau kev ntim khoom.
Tsis tas li ntawd, PP zaj duab xis muaj qhov coefficient ntawm kev sib txhuam, uas ua rau nws haum rau cov ntawv thov uas yuav tsum tau yooj yim tuav thiab ua. Nws muaj cov cua kub zoo, tso cai rau nws tiv taus qhov kub thiab txias yam tsis muaj deforming lossis melting. PP zaj duab xis kuj nthuav tawm cov khoom thaiv zoo tiv thaiv dej vapor thiab oxygen, muab kev tiv thaiv rau cov khoom ntim.
Daim ntawv thov
Raws li tau hais ua ntej, CPP zaj duab xis thiab PP zaj duab xis tau dav siv hauv ntau qhov kev lag luam vim lawv cov khoom sib txawv thiab cov yam ntxwv. Cia peb ua tib zoo saib cov ntawv thov ntawm txhua hom yeeb yaj kiab.
CPP zaj duab xis *
CPP zaj duab xis pom dav siv hauv kev lag luam ntim khoom. Nws zoo heev thaum tshav kub kub sealability, clarity, thiab noo noo barrier zog ua rau nws haum rau ntim khoom noj, nrog rau cov khoom noj txom ncauj, confectionery, bakery khoom, thiab lwm yam. CPP zaj duab xis kuj tseem siv rau ntim cov khoom tsis yog khoom noj, xws li tshuaj, tshuaj pleev ib ce, thiab khoom tu cev.
Ntxiv nrog rau kev ntim khoom, CPP zaj duab xis yog siv rau hauv daim ntawv thov lamination. Nws tuaj yeem siv los laminate ntawv, duab los qhia, lossis lwm yam yeeb yaj kiab los txhim kho lawv lub zog, ruaj khov, thiab cov khoom thaiv. CPP zaj duab xis kuj tseem ua haujlwm nyob rau hauv kev lag luam textile rau kev siv xws li hnab ris tsho, ntaub pua rooj, thiab ntaub pua rooj.
PP zaj duab xis *
PP zaj duab xis pom muaj ntau yam kev siv vim nws cov khoom siv zoo heev thiab tshuaj lom neeg. Nws yog feem ntau siv nyob rau hauv kev lag luam ntim rau cov ntaub ntawv ntim tau yooj yim, xws li hnab, hnab, thiab laminates. PP zaj duab xis yog tshwj xeeb tshaj yog haum rau hnyav-lub luag hauj lwm ntim, raws li nws muaj siab tensile zog thiab puncture kuj.
Tsis tas li ntawd, PP zaj duab xis yog siv rau ntau yam kev lag luam, suav nrog kev tsim kho, kev ua liaj ua teb, thiab tsheb. Nws yog siv rau kev tsim geo-textiles, tarpaulins, woven sacks, greenhouse films, thiab automotive interiors. PP zaj duab xis kuj pom cov ntawv thov hauv kev lag luam hluav taws xob, xws li cable wrapping thiab rwb thaiv tsev.
Tus nqi sib piv
Lwm qhov tseem ceeb uas yuav tsum tau xav txog thaum sib piv CPP zaj duab xis thiab PP zaj duab xis yog lawv cov nqi.
Tus nqi ntawm CPP zaj duab xis yog feem ntau siab dua piv rau PP zaj duab xis. Cov txheej txheem ntau lawm ntawm CPP zaj duab xis suav nrog cov kauj ruam ntxiv, xws li ncab hauv ob qho tib si tshuab kev taw qhia thiab kev hloov pauv, uas ntxiv rau cov nqi tsim khoom. CPP zaj duab xis kuj xav tau cov cuab yeej tshwj xeeb thiab kev txawj ntse, ua rau cov nqi ntau lawm.
Ntawm qhov tod tes, PP zaj duab xis kuj tsis tshua kim los tsim. Cov txheej txheem tshuab tshuab extrusion siv rau kev tsim PP zaj duab xis yog yooj yim dua thiab yuav tsum muaj cov kauj ruam tsawg dua, ua rau cov nqi qis dua. Tsis tas li ntawd, PP resin tau yooj yim dua thiab muaj txiaj ntsig zoo piv rau cov khoom siv tshwj xeeb siv rau CPP zaj duab xis ntau lawm.
Xaus
Hauv kev xaus, CPP zaj duab xis thiab PP zaj duab xis yog ob hom yas zaj duab xis nrog lawv tus kheej cov yam ntxwv thiab kev siv. Thaum CPP zaj duab xis ua tau zoo nyob rau hauv cov nqe lus ntawm tshav kub sealability, transparency, thiab noo noo barrier zog, PP zaj duab xis muaj zoo heev mechanical zog, tshuaj tiv thaiv, thiab nqi-zoo.
Kev nkag siab txog qhov sib txawv ntawm CPP zaj duab xis thiab PP zaj duab xis yog qhov tseem ceeb rau kev xaiv cov khoom ntim uas haum tshaj plaws rau cov ntawv thov tshwj xeeb. Ob qho yeeb yaj kiab muaj lawv qhov zoo thiab tau siv dav hauv ntau qhov kev lag luam kom ua tau raws li kev ntim khoom sib txawv thiab kev tsim khoom ntawm cov khoom sib txawv.