Yakavambwa naVaWurtz naVaHofmann muna 1849, ichikura muna 1957, Polyurethane yakava chinhu chakashandiswa mumaindasitiri mazhinji akasiyana.Kubva pakubhururuka muchadenga kuenda kuindasitiri nekurima.
Nekuda kwekunaka kwekupfava, kupenya, kusimba kwepamusoro, hydrolyze inodzivirira, kutonhora uye kupisa isingaite, kusapfeka, Heart To Heart yakatanga kuidzidza muna 1994 ndokuigadzira kuti ishandise mumidziyo yekugezera, kunyanya yekugezera nzvimbo dzakapfava dzekuvhara. kushaya simba kweimba yekugezera yakaoma zvinhu se acrylic, girazi nesimbi kudzivirira vanhu uye kuwedzera kunakidzwa kwekugeza kana kugeza.Kunze kwekushandisa muimba yekugezera, PU zvinhu zvakarekushandisa zvakakwanamune zvekurapa chiridzwa, midziyo yemitambo, fenicha uye auto nezvimwe.
Nguva yekutumira: Kubvumbi-25-2023
