Menene WBP plywood?

WBP plywoodplywood ne mai girman daraja wanda aka yi da manne mai hana ruwa.Ya bambanta da plywood na ruwa dangane da ainihin buƙatun sharewa.
A cikin masana'antar plywood, kalmar WBP tana nufin Shaidar Yanayi da Tafasa maimakon Hujjar Tafasa Ruwa.
Tafasa ruwa ya kasance mai sauƙi.Yawancin allunan plywood masu tsada na iya sauƙi wuce sa'o'i 4 na tafasar ruwa ko sa'o'i 24 idan an matse allon da kyau.Tsarewar yanayi ya fi wahala saboda yana buƙatar katakon ya zama jika kuma ya bushe a cikin tazara don kwatankwacin yanayin ruwan sama.
Mafi mahimmancin fasalin plywood na WBP shine kiyaye yanayin yanayi.WBP plywood yana riƙe da kyau a cikin rana da ruwan sama.
WBP plywood da aka yi da phenolic/melamine manne
An gina katako da sirara guda uku ko fiye na itace (wanda ake kira veneers) manne tare, tare da shimfiɗa kowane Layer a kusurwoyi daidai zuwa hatsi na gaba.Kowane plywood yana kunshe da adadi mara kyau na veneers.Gicciyen ƙyanƙyasar ƙyanƙyasar itacen yana sa plywood ya fi ƙarfi fiye da alluna kuma ya yi ƙasa da ƙasa da warping.
WBP plywood yana daya daga cikin nau'ikan plywood mafi ɗorewa.Mannensa na iya zama melamine ko resin phenolic.Don a yi la'akari da matsayin waje ko darajar ruwa, dole ne a samar da plywood tare da manne WBP.Ya kamata a yi plywood mafi kyau na WBP tare da manne phenolic.
WBP plywood da aka yi tare da melamine na yau da kullum maimakon phenolic zai riƙe har zuwa lamination na 4-8 hours a cikin ruwan zãfi.Babban manne melamine mai inganci na iya jure ruwan zãfi na awanni 10-20.Premium phenolic manne iya jure ruwan zãfi na 72 hours.Ya kamata a lura cewa tsawon lokacin da plywood zai iya tsayayya da ruwan zãfi ba tare da delamination kuma ya dogara da ingancin plywood veneer.
An tsara WBP don amfanin waje
Yawancin kafofin suna komawa WBP azaman Hujja ta Tafasa Ruwa, amma wannan ba daidai bane.WBP a zahiri ya haɓaka ma'auni a cikin Burtaniya kuma an kayyade shi a cikin Standards Institution Standard 1203:1963, wanda ke gano nau'ikan mannen plywood guda huɗu dangane da dorewarsu.
WBP shine manne mafi ɗorewa da za ku iya samu.A cikin tsari na saukowa na karko, sauran ma'aunin manne suna da juriya (BR);danshi resistant (MR);da kuma na ciki (INT).Ƙirƙirar itacen WBP da aka tsara yadda ya kamata shine kawai itacen da aka ba da shawarar don amfani da waje, a cewar Hukumar Abinci da Aikin Noma ta Majalisar Dinkin Duniya.WBP plywood an ƙera shi don amfani da waje kamar ginin gida, matsuguni da murfi, rufi, benayen kwantena, aikin siminti da ƙari.
Menene plywood mai hana ruwa?
Ko da yake mutane suna amfani da kalmar da yawa, babu wani katako mai hana ruwa.“Tsarin ruwa” gabaɗaya yana nufin cewa plywood yana da alaƙar phenolic na dindindin wacce ba za ta tabarbare a yanayin rigar ba.Wannan ba zai sa plywood ya zama "mai hana ruwa" ba saboda har yanzu danshi zai wuce ta gefuna da saman katako.