Co-Extruded ABC 3 Txheej WPC PP PE Decking Board Extrusion Tshuab

Vim tias 200℃yog qhov txwv siab tshaj rau kev ua ntoo -cov khoom siv yas (WPCs), cov resins nrog cov ntsiab lus melting tshaj 200 degree, xws li PET, tsis tuaj yeem siv hauv WPCs. Moisture degrades lub composite kev ua tau zoo thiab txhawb microbial kev loj hlob, yog li nws yog ib qho tseem ceeb kom tshem tawm cov dej noo los ntawm cov ntoo muab tub lim ua ntej siv. Cov ntoo muab ntoo yuav tsum tau qhuav ua ntej molding, feem ntau kom cov dej noo tsawg dua 1-2%. WPC ua tshuab yuav tsum tau noj, ziab, extrusion, thiab molding khoom, raws li zoo raws li cov khoom tsim nyog downstream xws li cov dej txias tso tsheb hlau luam, thauj, thiab txiav cov cuab yeej.

Cov khoom siv ntoo yog feem ntau hlawv thaum siv tsis tau. Cov khoom no tsis tuaj yeem rov siv dua, uas ua rau ib puag ncig tsis zoo. Ntoo- cov khoom yas tau hais txog qhov teeb meem no. Thaum kawg ntawm lawv lub neej muaj txiaj ntsig, lawv tuaj yeem rov ua dua thiab rov qab siv dua, rov qab mus rau lub xeev tshiab yam tsis muaj kev cuam tshuam kev ua haujlwm. Cov nqi kho mob tsawg dua li kev yuav cov ntoo tshiab.

Cov cuab yeej muaj kev sib xyaw zoo heev, plasticizing, thiab kev ua haujlwm tawg. Vim qhov kev sib tov zoo, plasticizing, thiab dispersing kev ua tau zoo, nws tso cai rau kev thauj khoom siab (txog 70%-75%). Ntau lub tshuab nqus tsev thiab lub tshuab nqus tsev muab cov pa zoo thiab dehumidification, tshem tawm cov txheej txheem ziab thiab txo cov nqi. Cov cuab yeej no tshwj xeeb tsim thiab tsim rau cov khoom siv ntoo-yas thiab tshem tawm cov txheej txheem pelletizing, txo cov nqi tsim khoom. Los ntawm kev tshem tawm qhov xav tau kom qhuav thiab pelletizing, nws tuaj yeem ua tiav 30-40% kev txuag hluav taws xob piv rau lwm yam khoom siv, txo cov cuab yeej siv peev, qhov chaw yuav tsum, thiab cov nqi zog. Vim tias lub thoob thiab cov ntsia hlau yog ua los ntawm cov khoom siv tshwj xeeb, cov khoom siv lub neej kev pabcuam yog ob npaug ntawm lwm cov khoom siv. Nws cov qauv tsim qauv tso cai rau kev hloov kho kom haum rau cov khoom sib txawv, ua rau nws ua tau ntau yam ntaub ntawv (xws li PE thiab PP), ua kom pom tias nws hloov tau.

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