PU ni iki?

I. IRIBURIRO PU

PU, cyangwa Polyurethane, ni ibikoresho byubukorikori bigizwe ahanini na polyurethane. PU synthetic uruhu ni ibintu bifatika byuruhu bifatika bifite imitungo myiza yumubiri no kuramba kuruta uruhu rusanzwe.

Uruhu rwa PU synthetike rufite porogaramu nini, harimo umusaruro w'intebe z'akarere, sohasi, injangwe, inkweto, n'imyambaro, n'ibindi, n'abandi. Birashimisha cyane, byiza, byoroshye, byoroshye gusukura no kubungabunga, kandi bigabanya ibisabwa byinyamanswa, bityo bisaba ibisabwa nibidukikije bibuza ubugome.

II. Gusesengura PU

1. Ibigize

Ibigize uruhu nyamukuru bya PU synthetic uruhu ni polyurethane, bikozwe nimikoranire ya polyether cyangwa polyester hamwe na isocyanate. Byongeye kandi, uruhu rwa synthetic kandi rurimo ibikoresho byo kuzuza, plastistizers, pigment, hamwe nabakozi bafasha.

2. Kugaragara

Uruhu rwa Pu synthetike rukungahaye ku miterere n'ibara, kandi rirashobora kwigana imiterere itandukanye y'uruhu nk'ingona, inzoka, umunzani w'amafi kugira ngo yuzuze ibyo bisabwa n'ibisabwa bitandukanye.

3. Imiterere yumubiri

Uruhu rwa Pu synthetic rufite ibintu byiza byumubiri nkimbaraga za kanseri, kwambara kurwanya, kurwanya amazi, no guhinduka. Biroroshye kandi gusukura no kubungabunga uruhu nyako, bigatuma biramba.

4. Agaciro gasaba

Ugereranije n'uruhu rusanzwe, Uruhu rwa Pu synthetic rufite ibyiza bimwe na bimwe nkibiciro byo hasi, umusaruro wo hasi, kandi udasaba uruhu rwinyamanswa, tugasaba uruhu rwinyamanswa, bituma bihitamo ubuzima bwa none.

Mu gusoza uruhu rwa Pu synthetic ni ibintu byinshi byo gusimbuza ubuziraherezo bwo kujuririra, gukora neza, hamwe nibiciro bifatika, bituma bihindura kumasoko. Mugihe iterambere ryikoranabuhanga hamwe nisoko risaba impinduka, uruhu rwa Pu synthetic rugomba kugira ibyifuzo byinshi mugihe kizaza mu nzego nkimodoka, ibikoresho, imyenda, no kuvuga bike.