Boards ua los ntawm cov ntoo fibers yog tsim los ntawm softwood thiab hardwood. Cov khib nyiab los ntawm kev tsim cov boards, plywood, thiab los ntawm ntau yam kev ua ntoo feem ntau yog siv rau lawv cov khoom. Cov ntoo shredded yog siav nyob rau hauv loj ntim tso tsheb hlau luam, ces av thiab kho nrog ntau yam binders thiab antiseptics, tom qab uas nws yog zoo li tus nyob rau hauv kub nias presses. Cov phaj nias muaj cov duab plaub thiab qhov tuab tas li.
Cov vaj huam sib luag no tau siv dav hauv kev lag luam thiab kev tsim kho raws li cov khoom siv hluav taws xob thiab suab rwb thaiv tsev rau phab ntsa, qab nthab thiab ru tsev. Cov vaj huam sib luag no tuaj yeem siv rau cov phab ntsa cladding, ua cov rooj tog zaum hauv tsev, qhov rooj, thiab lwm yam.
Hom thiab daim ntawv thov ntawm daim hlau
Boards muab faib ua cov insulating, uas yog siv rau lub suab thiab thermal rwb thaiv tsev ntawm phab ntsa thiab qab nthab; rwb thaiv tsev-cladding, uas yog siv rau sab hauv cladding ntawm phab ntsa, panels, thiab lwm yam .; semi-hard thiab nyuaj, uas yog siv rau sab hauv cladding ntawm phab ntsa, ceilings thiab muab faib phab ntsa. Cov laug cam tuaj yeem siv los ua lub qhov rooj, cov rooj tog hauv tsev, thiab lwm yam.
Dimensions thiab permissible deviations
Qhov dav siab tshaj plaws rau txhua hom phaj yog 1200 mm, thaum qhov ntev yog 3600 mm. Lub thickness ntawm rwb thaiv tsev boards yog 12,5; 20 thiab 25 mm; insulating thiab cladding 10 thiab 12,5 mm; semi-hard 6 thiab 12,5 mm; nyuaj 3 thiab 5 mm.
Deviations raug tso cai nyob rau hauv dav ± 5 mm; ntev ± 10 mm; los ntawm thickness: rau rwb thaiv tsev ± 1,5 thiab rau rwb thaiv tsev-cladding ± 1,0 mm; rau ib nrab nyuaj thiab nyuaj ± 0,5 mm.
Qhov taw qhia ntawm lub cev thiab lub zog ntawm cov hlau yog muab rau hauv table 15, thiab cov cim qhia ntawm sab nraud ntawm daim hlau hauv lub rooj 16.
External tsos qhia
** Table 16: Indicators of the external looks of the panels**
| Slab yam | Class | Tso cai qhov tob tob thiab qhov siab protrusion, mm | Fibers ntawm cov npoo ntawm daim hlau nyob rau hauv batch (feem ntau), % | Tshem tawm cov ces kaum ntawm daim hlau hauv ntau (feem ntau), % | Stains nyob rau saum npoo ntawm daim hlau nyob rau hauv ntau (feem ntau), % |
|---|---|---|---|---|---|
| Insulating | I | 2 | Tsis pub | Allow | |
| II | 3 | 10 | 10 | ||
| Insulating-cladding | I | 1,5 | Tsis pub | Allow | |
| II | 2,5 | 7 | 7 | ||
| Semi-hard | I | 1,0 | Tsis pub | Allow | |
| II | 1,5 | 5 | 5 | ||
| Hardware | I | 0,5 | Tsis pub | Allow | |
| II | 1,0 | 5 | 5 | ||
Indentations thiab protrusions raug tso cai rau txhua chav kawm nyob rau hauv tag nrho cheeb tsam mus txog 40 cm² thiab qhov siab tshaj plaws ntawm 3 pcs. ntawm 1 m². Cov fibers ntawm cov npoo yuav tsum tsis txhob ntev tshaj 25 mm mus rau qhov kawg ntawm lub rooj tsavxwm. Qhov ntev ntawm ob sab ntawm lub kaum sab xis ntawm txhua lub vaj huam sib luag yuav tsum tsis txhob tshaj 50 mm.
Surface treatment
Boards tau zoo glued ua ke, them nrog txiav veneer, pleev xim rau, lacquered thiab polished.
Cov ntsiab lus: kev cai veneer, ntoo qhov rooj thiab ntoo qhov rais.