Ikirahuri cyimodoka PU yifatanigice cyingenzi cyinganda zitwara ibinyabiziga, cyane cyane mugutunganya ibirahuri byimodoka.Azwi kandi nka polyurethane (PU) ifata, ubu bwoko bwo gufatira hamwe butanga umurongo ukomeye, wizewe ufite akamaro kanini kumutekano no kuramba kwikirahure cyibinyabiziga.
Mugihe ushyirahoikirahure, ni ngombwa rwose gukoresha ibifatika neza.Ibifatika ntibifata ikirahuri gusa, gitanga kandi inkunga yuburyo kandi bifasha kugumana ubusugire bwikadiri.Niyo mpamvu abakora amamodoka hamwe nabakora umwuga wo gusana ibirahuri bashingira kumitungo isumba iyindi ya PU.
Imwe mu nyungu zingenzi zifatika za PU kubirahuri byimodoka nubushobozi bwabo bwo gutanga ubumwe bukomeye kandi burambye.Ibi ni ingenzi cyane cyane kubirahuri byimodoka, bigomba kwihanganira ibintu bitandukanye bidukikije nkumuyaga, imvura, ndetse nubushyuhe bukabije.Ndetse no guhangana nizi mbogamizi, ibifatika byemeza ko ikirahure kigumaho neza.
Byongeye kandi, ibyuma bya PU bifite imbaraga zo guhangana cyane no kunyeganyega no kugira ingaruka, bigatuma biba byiza kugirango babone ikirahure cyimodoka.Ibi ni ingenzi cyane kubikorwa byimodoka, aho ibinyabiziga bigenda bihora bigenda kandi bishobora guteza impanuka mumihanda.Ibifasha bifasha gukurura no gukwirakwiza imbaraga zikoreshwa ku kirahure, bityo bikagabanya ibyago byo kwangirika cyangwa gutandukana.
Byongeye kandi,imodoka yikirahure PU ifataitanga kashe y’amazi, ifite akamaro kanini mukurinda kumeneka kwamazi no kwangirika kwimodoka imbere.Ntabwo ibyo birinda gusa abatwara ibinyabiziga kubintu, binafasha kugumana imiterere rusange yikinyabiziga.Ikirangantego kitagira amazi gitangwa na PU gifata neza ko ikirahure kigumaho neza mumiterere yikirere icyo aricyo cyose.
Mugihe habaye impanuka, imbaraga nubwizerwe bwumubano wa PU birashobora kuba ikibazo cyubuzima cyangwa urupfu.Ibifatika bifasha gufata ikirahuri mu mwanya wacyo, kikirinda kumeneka no guteza ibyago abari mu modoka.Niyo mpamvu gukoresha ibirahuri byujuje ubuziranenge ibirahuri bya PU ari ingenzi mu kurinda umutekano n’uburinganire bw’imodoka yawe.
Muri make,amamodoka yikirahure PU yifatagira uruhare runini mubikorwa byimodoka, cyane cyane mugutunganya ibirahuri byimodoka.Ibintu byiza cyane bihuza, kurwanya ibidukikije, hamwe nubushobozi bwo gutanga kashe y’amazi bituma iba igice cyingenzi cyumutekano nigihe kirekire cyikirahure cyimodoka.Yaba inteko nshya yimodoka cyangwa gusimbuza ibirahuri byimodoka, ukoresheje iburyo bwa PU ni ngombwa kugirango ukomeze ubuziranenge no kwizerwa kwishyiriraho ibirahuri byimodoka.
Igihe cyo kohereza: Mutarama-03-2024