Isi yumuti ni nini kandi iratandukanye, itanga ibisubizo bitabarika kubikenewe bitandukanye. Mubintu bizwi cyane harimo udukoni twa kole hamwe na kole yamazi, buri kimwe gifite inyungu zacyo nibibi. Iyi ngingo igamije gucukumbura ibi byombi
Umusaruro wa polyurethane kwisi yose: An In - isesengura ryimbitse Intangiriro yumusaruro wa Polyurethane Polyurethane ni polymer zitandukanye kandi zikoreshwa cyane zikomoka kumiti ya chimique hagati ya diisocyanates na polyoli. Imiterere yihariye, nka flexibili