Yasungulwa nguMnu. Wurtz & Mr. Hofmann ngo-1849, eyathuthukiswa ngo-1957, i-Polyurethane yaba into esetshenziswa ezimbonini eziningi ezahlukene. Ukusuka endizeni emkhathini kuya embonini nasezolimo.
Ngenxa yokuvelela kokuthambile, okumibalabala, ukunwebeka okuphezulu, ukumelana ne-hydrolyze, ukumelana nokubanda nokushisa, ukumelana nokuguga, i-Heart To Heart yaqala ukuyifunda ngo-1994 futhi yayithuthukisa ukuze isetshenziswe ezinsizeni zasendlini yangasese, ikakhulukazi kubhavu wezingxenye ezithambile ukumboza ubuthakathaka bezinto eziqinile zokugezela njenge-acrylic, ingilazi nensimbi ukuze kuvikelwe umuntu futhi kwandise injabulo yokugeza noma ukugeza. Ngaphandle kokusebenzisa endlini yokugezela, impahla ye-PU nayoukusebenzisa ngokupheleleensimbini yezokwelapha, okokusebenza kwezemidlalo, ifenisha kanye nezimoto njll.
Isikhathi sokuthumela: Apr-25-2023
