Heerka hoose ee weyn ee kubbadda kolayga iyo kubbadda kolayga

1

GB/T 22868-2008"Kubadda Koleyga" waxay qeexaysaa in kubbadda koleyga loo qaybiyo kubbadda koleyga ee qaangaarka ee ragga (No. 7), kubbadda kolayga haweenka ee qaan-gaarka (No. 6), kubbadda koleyga ee dhalinyarada (No. 5), kubbadda kolayga carruurta (No. 3) marka loo eego dadka isticmaala iyo wareegga kubadda. Maqaarka kubbadda kolayga iyo haragga dib loo warshadeeyay waxay dumin karaan midabada aminiga ah ee udgoonka ah ≤ 30mg/kg, iyo formaldehyde bilaash ah ≤ 75mg/kg. Dusha sare ee maqaar macmal ah, maqaar macmal ah, iyo maqaar dib loo warshadeeyay oo loo isticmaalo hawl maalmeedka kubbadda koleyga waa in aanay yeelan cillado ay ka mid yihiin xumbo ama dildilaacyo, waxaana la ogolyahay in yar oo dillaac ah. Waxaa jira 5 cilladood oo yaryar oo la oggol yahay bedka ≤ 5mm2; Qoto dheer ee dillaacyada dusha sare ee caagku waxay noqon karaan ≤ 0.5mm, iyo cilladaha isugeynta ah ee isku dhafan ayaa loo oggol yahay inay noqdaan ≤ 7cm2; Ballaca tolida wareega ama jeexdintu waa ≤ 7.5mm. Farqiga wareegga kubbadda kolayga ≤ 5mm, leexashada la oggol yahay ee hoos u dhaca cadaadiska hawada ka dib 24 saacadood ee sicir-bararka iyo meelaynta taagan ≤ 15%; 1000 ka dib, heerka balaadhinta waa ≤ 1.03, qiimaha qallafsanaantu waa ≤ 3mm, iyo heerka cadaadiska hoos u dhaca gudaha kubada waa ≤ 12%.

2

GB 23796-2008"Stastan Kubadda Kolayga" waxa ay qeexaysaa in looxa dhabarku uu ahaado leydi, cidhifyada ku xigana waa in ay ahaadaan kuwo is barbar socda. Farqiga u dhexeeya labada geesood waa inuusan dhaafin 6mm. Haddii sabuuradda dambe lagu ilaaliyo xuduud bir ah, xariiqda soohdinta dibadda ee sabuuraddu waa inay ahaataa ugu yaraan 20mm ballac ah oo aan la xannibin xadka birta. Sabuuradda dambe waa in lagu daabacaa xariiqyo gudaha iyo dibadda ah, oo leh sabuurado hufan oo gudaha iyo dibaddaba leh, sabuuradaha dambe ee aan daah-furnayn oo leh soohdimo madow. Darafku waxa uu ka samaysan yahay bir adag, dhexroorkeeduna yahay 16mm ilaa 20mm, dhexroorkeeduna waa 450mm ilaa 459mm. Shabagga kubadda kolayga waxa uu ka samaysan yahay xadhig cad oo leh 12 dalool, dhererkiisuna waa 400mm ilaa 450mm.


Waqtiga boostada: Agoosto-09-2024

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