Chofewa cha polyurethane kutentha kwambiri ndi nsalu yotchinga moto
PU nsalu makamaka opangidwa ndi mkulu zotanuka CHIKWANGWANI gulu, koma alinso ndi makhalidwe ofanana, nthawi yomweyo kuwala kulemera, kulimba amphamvu, mpweya, madzi, zosavuta kuwonjezera ndi kuteteza chilengedwe, katundu wabwino thupi, kukana zokhotakhota ndi kutembenuka, zabwino. kufewa, kulimba kwamphamvu kwamphamvu, ndi kuthekera kwa mpweya.PU ndi ya chikopa chachiwiri cha chikopa chomwe kumbuyo kwake ndi chikopa cha ng'ombe, ndiyeno chokutidwa ndi utomoni wa PU pamwamba, kotero nsalu ya pu imatchedwanso chikopa cha ng'ombe, koma mtengo wake ndi wotsika mtengo, komanso kugwiritsa ntchito kwakukulu, koma ndi kusintha. Mapangidwe ake amapangidwanso m'makalasi osiyanasiyana amitundu, monga chikopa cha ng'ombe, chifukwa cha njira yapadera, yokhazikika, mitundu yatsopano ndi zina.
Onani ngati m'mphepete mwake ndi wowongoka, ngati pali ma burrs, ming'alu, mabowo a bug, etc.;Onani ngati utoto kutsitsi pamwamba ndi yosalala, palibe kuthwanima, makutu, etc.;Gwiritsani ntchito zidutswa zingapo zapansi palimodzi, muwone ngati msoko, kusungunula, palibe kusiyana kwakukulu ndi kochepa komanso kusiyana kwautali;Madzi ayenera kukhala pakati pa 8 ndi 13%.
Gwiritsani ntchito mopu yowuma poyeretsa;Ndi bwino kuthira sera kamodzi kotala;Yesetsani kupewa kukhudzana ndi madzi ambiri;Pewani kupukuta ndi asidi ndi madzi amchere, kuti musawononge pamwamba;Pewani kukanda pansi.