Mitundu ya polyurethane

Kukongoletsa kwa denga kumaphatikizapo mbali yofunika kwambiri yokongoletsera mkati kusiyana ndi kukongoletsa makoma kapena kugula mipando yokongola. Kuphatikizanso apo, malo okongola komanso okoma bwino amamveka m'nyumba zomwe mitengo yamatabwa imayikidwa pamwamba pa denga. Koma mpaka posachedwapa, njira yokongoletsera denga inalipo kwa ochepa okha. Izi zinali chifukwa cha mtengo wapatali wogula mitengo, komanso zovuta zowonjezera. Komabe, pambuyo pooneka ngati mankhwala opangidwa ndi polyurethane pamsika lerolino, mkhalidwe ulipo wasintha kwambiri, ndipo matabwa a polyurethane amatsutsana kwambiri ndi zopangidwa ndi zipangizo zachilengedwe.

Mitengo ya polyurethane pamwamba pa denga

Mitengo yokhala ndi polyurethane imatsanzira ndondomeko yoyamba yamatabwa, ndipo mumapindula ambiri amapindula ndi matabwa:

Matabwa a polyurethane amatha kupeza ntchito yawo mkati mwa kalembedwe kalikonse. Zonse zimadalira momwe amakongoletsedwera:

Motero, polyurethane falshalki imagwirizana bwino mkati, ngakhale mosaganizira momwe zimakhalire zovuta komanso zodzikweza. Komabe, musayese kukongoletsa malo omwe muli zotsika pansi ndi matabwa a polyurethane. Ndipotu, zokhazokha zokhazokha zazitali zazitali ndizomwe zimatha kuchepetsa pamwamba pa denga.