Mwala wa polyurethane (PU STONE) ndi mwala wopangidwa ndi faux.Mwala wonyezimira wa polyurethane udapangidwa kuti upange miyala yowoneka bwino yomwe ndiyosavuta kuyiyika.Kuti apange mapanelo a miyala yabodzawa, polyurethane imatsanuliridwa mu nkhungu zomwe zapangidwa kuchokera ku mwala weniweni wowunjikana.Polyurethane (PU) ndi chinthu chopangidwa ndi:
(1) gawo limodzi kapena angapo a polymer resins olumikizidwa ndi maulalo a urethane;
(2) nsalu yolukidwa kapena yosalukidwa ngati poliyesitala, thonje, nayiloni, kapena zikopa zapansi.
Nthawi yotumiza: Aug-14-2023