Cov Txheej Txheem Plywood yog qhov siab -}}}} Kuv cov khoom siv dav siv hauv kev tsim kho, cov choj, thiab rooj tog tsim khoom lag luam. Nws cov khoom siv zoo dua thiab ua rau muaj txiaj ntsig yog vim yog nws cov cim kev sib xyaw thiab cov txheej txheem tsim khoom. Kab lus no yuav tshawb txog cov ncauj lus tseem ceeb ntawm cov qauv plywood thiab lawv cov haujlwm.
Wood veneer (wood ntawv los yog txheej ntoo nyias nyias)
Cov ntsiab lus tseem ceeb ntawm cov txheej txheem plywood yog multi- Fayed Wood Veneer (Veneer), feem ntau yog tsim los ntawm lub cav los ntawm kev ua yeeb yaj kiab lossis slicing. Cov pas dej no qhuav rau cov ntsiab lus noo noo kom ntseeg tau tias muaj peev xwm ruaj khov thaum lub sij hawm gluting tom ntej. Qhov kev xaiv ntawm Veneer hom txawm cuam tshuam rau cov khoom ntawm plywood. Cov tsiaj feem ntau suav nrog ntoo thuv, birch, thiab fir. Hardwood Veneers (xws li Oak thiab Beech) feem ntau muab lub zog ntau dua, thaum cov ntoo thuv muag (xws li ntoo thuv (xws li ntoo thuv) muaj kev lag luam ntau dua thiab yooj yim dua.
Ntau txheej ntawm Veneer yog laminated nrog cov nplej staggered (feem ntau ntawm 90℃kaum cov ces kaum). Cov qauv qauv no txhim kho lub zog hloov tau ntawm lub zog thiab seem ruaj khov ntawm plywood. Tus lej thiab tuab ntawm veneer txheej ncaj qha cuam tshuam rau cov khoom siv me me ntawm cov khoom kawg; Qhov ntau dua tus naj npawb ntawm cov khaubncaws sab nraud povtseg, qhov ntau dua qhov muaj zog tag nrho ntawm cov plywood.
Cov nplaum (resins)
Cov nplaum yog qhov tseem ceeb ntawm cov txheej txheem plywood, txiav txim siab nws cov kev yoog raws thiab ib puag ncig kev yoog raws. Cov nplaum uas siv tau xws li:
1.Phenol {{- ill formaldehyde (PF): Muaj cov huab cua zoo, xws li cov nkoj noo noo, xws li cov nkoj thiab cov nkoj hauv tsev.
2. Teb {-} ill formaldehyde (UF): Muaj cov dej qis dua tab sis cov dej tsis zoo, feem ntau siv hauv cov qauv sab hauv.
3.Qhov tseeb -} urea-}}} Tus kav dej tsis kam, ua rau nws haum rau kev muaj mob ntau puag ncig.
4.polymer diphenylmethane diisocyanate (PMDI): Ib puag ncig phooj ywg thiab tsis ntev los no tau siv dav hauv qhov siab- Performance.
Tus nqi thiab kev ua tau zoo ntawm cov nplaum ncaj qha cuam tshuam cov plywood txoj hlua khi khi. Cov nplaum yog feem ntau kho tau los ntawm tshav kub- Nias cov txheej txheem los ua ib txoj kev sib raug zoo ntawm cov khaubncaws sab nraud povtseg ntawm cov khaubncaws sab nraud povtseg.
Ntxiv (yeem)
Qee cov khoom siv plywood muaj cov nplaim taws, tshuaj tiv thaiv, lossis cov neeg inhibitors kom haum rau lawv cov chaw ib puag ncig. Piv txwv li, hauv cov tsev nrog cov hluav taws tiv thaiv hluav taws xob nruj, boron sib txuas lossis phosphate - Raws li cov nplaim hluav taws. Nyob rau hauv ib puag ncig vaum, copper - Raws li cov tshuaj tiv thaiv corrosion.
Lub ntsiab
Cov txheej txheem plywood feem ntau muaj ntau txheej ntawm cov ntoo ntoo thiab siab {{{}}} Kev ua yeeb yam nplaum. Nws cov khoom siv zoo heev thiab kav ua rau nws muaj cov khoom tsis tseem ceeb hauv kev tsim khoom tshiab. Los ntawm kev txhim kho kev npaj ntawm cov veneers thiab xaiv cov nplaum tsim nyog thiab ua kom dav nyob rau hauv kev tsim kho, kev thauj mus los thiab kev thauj khoom.
