Mitundu ya bolodi yodziwika bwino pamsika wamsika, yomwe ndiyotsika mtengo kwambiri?

Mitundu ya bolodi yodziwika bwino pamsika wamsika, yomwe ndiyotsika mtengo kwambiri?

Bolodi yomwe mipando yambiri imagwiritsa ntchito pamsika pano ndi particleboard.Popanga tinthu tating'onoting'ono, chifukwa cha mitundu yosiyanasiyana ya zida zopangira, kapangidwe ka ulusi wamatabwa ndi wosiyana, ndipo mawonekedwe a particleboard amasiyana pakukonza komweko.

Kuphatikiza apo, mitundu yotchuka kwambiri pamsika wapakhomo ndi popula ndi paini.Zinthu zapaini ndizabwino, zolimba kwambiri, komanso zamafuta kwambiri zomwe sizingalowe madzi;Poplar ndi yofewa komanso yosagonjetsedwa ndi madzi, choncho mtengo wa paini ndi wapamwamba kwambiri kuposa wa poplar.

1. Eukalyptus: Mtengo wopepuka wa masamba otambalala okhala ndi njere zowundikika, zosakhazikika.Sapwood wosanjikiza ndi wotakata, woyera mpaka wotumbululuka pinki;Heartwood ndi yofiira kwambiri.Eucalyptus ndi nkhuni zomwe zimakula mofulumira, osati zolimba, zopepuka, zosavuta kuthyoka.Eucalyptus amalimidwa kwambiri kumwera ndi pakati pa United States ndi dera la Guangxi ku China, ndipo amagwiritsidwa ntchito kwambiri popanga makabati ndi mipando, makamaka mipando yakale.

Ubwino: Mtengo wa Eucalyptus ndi wovuta, kuchuluka kwa zinthu zomalizidwa, kugwiritsitsa mwamphamvu, dzimbiri zosavala, zosavuta kupindika kapena kuwononga zabwino, ndi imodzi mwazinthu zabwino kwambiri zopangira mipando yamatabwa, yopangidwa ndi mipando yokhala ndi katundu wabwino. mphamvu, osati zosavuta deformation.Kuphatikiza apo, kununkhira kwa mafuta a bulugamu kumapangitsa anthu kukhala omasuka komanso omizidwa muzochitikira zoyenda m'nkhalango.

Monga mtengo wapaini wotumizidwa kunja, New Zealand pine sikuti imangokhala ndi chikhalidwe chachilengedwe cha paini, komanso imakhala ndi nyengo yabwino, mawonekedwe ofikirako, kuuma bwino komanso kukonza magwiridwe antchito.Poyerekeza ndi paini wapakhomo, New Zealand pine ndi yokwera mtengo mwachilengedwe.