PU ni iki?

I. Intangiriro kuri PU

PU, cyangwa polyurethane, ni ibikoresho byubukorikori bigizwe ahanini na polyurethane. Uruhu rwa PU rwubukorikori ni ibintu bifatika byerekana uruhu bifite imiterere yumubiri kandi biramba kuruta uruhu rusanzwe.

Uruhu rwa PU rukora uruhu rufite porogaramu zitandukanye, harimo gukora intebe zimodoka, sofa, ibikapu, inkweto, n imyenda, nibindi. Birashimishije muburyo bwiza, byoroshye, byoroshye gusukura no kubungabunga, kandi bigabanya no gukenera uruhu rwinyamaswa, bityo bikuzuza ibisabwa kubidukikije bibuza ubugome bwinyamaswa.

II. Isesengura ryibikoresho bya PU

1. Ibigize

Ikintu cyingenzi kigize uruhu rwa PU ni polyurethane, ikorwa nubusabane bwa polyether cyangwa polyester hamwe na isocyanate. Mubyongeyeho, uruhu rwa PU rwubukorikori narwo rurimo ibikoresho byuzuye, plasitike, pigment, hamwe nubufasha bwabafasha.

2. Kugaragara

Uruhu rwa syntetique ya PU rukungahaye ku miterere no mu mabara, kandi rushobora kwigana imiterere itandukanye y'uruhu nk'ingona, inzoka, n'umunzani w'amafi kugira ngo ubone ibicuruzwa bitandukanye.

3. Ibintu bifatika

Uruhu rwa PU rwubukorikori rufite ibintu byiza byumubiri nkimbaraga zingana, kwambara, kurwanya amazi, no guhinduka. Biroroshye kandi gusukura no kubungabunga kuruta uruhu rusanzwe, bigatuma biramba.

4. Agaciro ko gusaba

Ugereranije n’uruhu rusanzwe, uruhu rwa PU rwubukorikori rufite ibyiza bimwe nkigiciro gito, ibiciro byumusaruro muke, kandi ntibisaba uruhu rwinyamaswa, bigatuma uhitamo ubuzima bwumujyi wa kijyambere.

Mu gusoza, uruhu rwa PU rwubukorikori ni ibikoresho byo mu rwego rwo hejuru bisimbuza ubwiza bwubwiza, imikorere myiza, hamwe nigiciro cyiza, bigatuma ihitamo isoko. Mugihe ikoranabuhanga rigenda ritera imbere kandi isoko rikaba risabwa guhinduka, uruhu rwa PU rwerekana ko ruzaba rufite porogaramu nyinshi mugihe kizaza mumirenge nk'imodoka, ibikoresho byo mu nzu, imyenda, n'imifuka, twavuga bike.