Chomatira chabwino chosungunuka chotentha chiyenera kukhala ndi mawonekedwe amtengo wotsika mtengo, kumamatira mwamphamvu, komanso kuteteza chilengedwe. Purking- wakhala akuyang'ana kwambiri kupanga guluu kwa zaka 10 ndipo wakhala akukondedwa ndi abwenzi ambiri.

Nkhani yonena za nthawi yotseguka komanso nthawi yochiritsa ya zomatira zotentha zosungunuka zaperekedwa ku chidziwitso chamakampani omatira otentha. Purking nthawi zonse ikupatsani nkhani yapamwamba kwambiri

Woodworking m'mphepete banding guluu akhoza kugawidwa m'magulu atatu malinga ndi zipangizo zosiyanasiyana: EVA otentha kusungunula zomatira, kwa mtundu wa zomatira otentha kusungunula, akhoza kugawidwa mu mitundu iwiri: wodzazidwa ndi osadzazidwa. Kugwiritsa ntchito EVA ngati maziko ndiye njira yodz......

1. PUR (Polyurethane Reactive), dzina lonse ndi chinyezi chochizira zotakata za polyurethane zotentha zosungunuka, chigawo chachikulu ndi isocyanate-terminated polyurethane prepolymer, chigawo chimodzi, 100% zolimba. ndi

Poyang'anizana ndi ubwino wa zomatira zotentha zosungunuka, amalonda ambiri ndi opanda pake, ndipo zokhumba za zomatira zotentha zosungunuka ndi zipangizo zosiyana zomangira ndizosiyana. Pofuna kupanga tinthu tating'onoting'ono ta rabara totentha timapangitsa kuti "kumamata", kaya mtundu wa katswiri......

PUR ndi mtundu wa kulimba kosinthika komanso kulimba (kulasticity), komwe kumakhala ndi mphamvu zomangirira bwino, kukana kutentha, kukana chinyezi, kukana kwa dzimbiri, kukana kukalamba, ndipo ilibe mankhwala owopsa komanso owopsa monga formaldehyde ndi benzene. zachilengedwe wochezeka otentha Sung......