Nkhani

Pepala la zithunzi zojambulidwa ndi RC (Resin Coated) ndi mitundu iwiri ya mapepala ojambulira omwe amagwiritsidwa ntchito kwambiri posindikiza zithunzi zapamwamba, koma ali ndi mawonekedwe ndi magwiridwe antchito.

Ivory board, yomwe imadziwikanso kuti minyanga ya njovu kapena pepala la minyanga ya njovu, ndi chinthu chamtengo wapatali chomwe chimadziwika ndi mawonekedwe ake apamwamba komanso mawonekedwe ake olimba. Dzina lake limachokera ku zokometsera, zoyera zoyera, zomwe zimakumbukira minyanga ya njovu yachilengedwe, yomwe imapangitsa kuti ikhale yowoneka bwino komanso yokongola. Gulu lamtunduwu limagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana chifukwa cha kukongola kwake komanso magwiridwe antchito.

Mapepala okhala ndi makatoni oyera ndi zida ziwiri zomwe zimagwiritsidwa ntchito kwambiri m'mafakitale osindikizira ndi kulongedza katundu. Nazi zida, magulu, ntchito, kufanana, ndi kusiyana pakati pa ziwirizi:

Duplex board ndi chinthu chosunthika komanso chokhazikika, chodziwika bwino chifukwa champhamvu zake komanso malo osalala. Wopangidwa ndi zigawo ziwiri za pepala, nthawi zambiri amakutidwa mbali imodzi kuti awonjezere luso lake losindikiza komanso kukongola kwake. Zake zapadera zimapangitsa kukhala chinthu chofunikira m'mafakitale osiyanasiyana. Pansipa pali mwatsatanetsatane ntchito za duplex board:

Kudziphatika kumapangidwa ndi magawo atatu: 1.face material 2.adhesive 3.liner paper. Choncho ngati zomatira ndi zomangira zimakhala zofanana, kusiyana kwakukulu pakati pa pepala lodzipangira nokha ndi pepala lodzipaka nokha ndilo kusiyana pakati pa pepala lotentha ndi pepala lopaka. Amasiyana kwambiri potengera kapangidwe kazinthu, momwe amagwiritsidwira ntchito, komanso momwe amagwiritsidwira ntchito. Nachi kufananitsa mwatsatanetsatane:

Pepala lopanda mpweya, lomwe limadziwikanso kuti NCR (Palibe Mpweya Wofunika) lakhala lofunika kwambiri pazamalonda kwazaka zambiri. Ukadaulo wamapepala wotsogolawu umalola kuti zolemba zingapo zipangidwe popanda kufunikira kwa pepala la kaboni kapena zida zina zowonjezera. M'nkhaniyi, tiwona momwe mapepala opanda kaboni amagwiritsidwira ntchito komanso ubwino wake.