PE Kraft CB, uas sawv cev rau Polyethylene Kraft Coated Board, yog ib hom ntim khoom uas muaj polyethylene txheej ntawm ib lossis ob sab ntawm Kraft board. Cov txheej no muab cov dej noo zoo heev, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau ntim ntau yam khoom, tshwj xeeb tshaj yog cov uas nkag siab txog cov dej noo.
Cov txheej txheem tsim khoom rau PE Kraft CB suav nrog ob peb kauj ruam, suav nrog:
1. Kev npaj ntawm Kraft Board: Thawj kauj ruam yuav tsum npaj Kraft board, uas yog tsim los ntawm cov ntoo pulp. Lub pulp yog tov nrog tshuaj, xws li sodium hydroxide thiab sodium sulfide, thiab ces siav nyob rau hauv lub digester kom tshem tawm cov lignin thiab lwm yam impurities. Lub resulting pulp yog ces ntxuav, bleached, thiab refined los tsim ib tug muaj zog, du, thiab uniform Kraft board.
2. Txheej nrog Polyethylene: Thaum Kraft board tau npaj, nws yog coated nrog polyethylene. Qhov no feem ntau yog ua los ntawm cov txheej txheem hu ua extrusion txheej. Nyob rau hauv cov txheej txheem no, molten polyethylene yog extruded rau saum npoo ntawm Kraft board, uas yog ces txias kom solidify txheej.
3. Printing thiab Finishing: Tom qab txheej txheej, PE Kraft CB tuaj yeem luam tawm nrog cov duab xav tau lossis cov ntawv nyeem uas siv ntau hom kev luam ntawv. Cov khoom tiav tuaj yeem raug txiav, quav, thiab laminated los tsim cov kev cai ntim cov kev daws teeb meem uas ua tau raws li cov neeg siv khoom tshwj xeeb.
4. Kev Tswj Xyuas Zoo: Thoob plaws hauv cov txheej txheem tsim khoom, kev tswj xyuas nruj nruj yog ua haujlwm los xyuas kom meej tias PE Kraft CB ua tau raws li tag nrho cov qauv thiab cov kev qhia tshwj xeeb. Qhov no suav nrog kev sim rau kev tiv thaiv noo noo, adhesion, thiab lwm yam kev ua haujlwm tseem ceeb.
Zuag qhia tag nrho, cov txheej txheem tsim khoom rau PE Kraft CB yog cov tswj tau zoo thiab raug, ua rau cov khoom ntim khoom siv tau ruaj khov thiab txhim khu kev qha. Nrog nws cov khoom zoo tshaj dej noo thaiv, nws yog qhov kev xaiv zoo tshaj plaws rau ntim ntau yam khoom, los ntawm cov khoom noj thiab dej haus mus rau cov khoom siv hluav taws xob thiab tshuaj.
Post lub sij hawm: Apr-21-2023