Inkomoko yamateka nibisobanuro byibanze: Inzira ebyiri zitandukanye zikoranabuhanga
Kugira ngo twumve itandukaniro riri hagati yibi byombi, dukeneye kubanza gukurikirana amateka yiterambere ryabo, agena logique yibanze yikoranabuhanga.
1. Uruhu rwa PVC: Umupayiniya wuruhu rwa sintetike
Amateka y'uruhu rwa PVC yatangiye mu kinyejana cya 19. Polyvinyl chloride (PVC), ibikoresho bya polymer, byavumbuwe mu 1835 n’umuhanga mu bya shimi w’Abafaransa Henri Victor Regnault kandi bikozwe mu nganda n’isosiyete yo mu Budage Griesheim-Elektron mu ntangiriro z'ikinyejana cya 20. Ariko, ikoreshwa ryukuri mu kwigana uruhu ntirwatangiye kugeza mu Ntambara ya Kabiri y'Isi Yose.
Intambara yatumye habura amikoro, cyane cyane uruhu rusanzwe. Uruhu rusanzwe rwahawe cyane cyane igisirikare, bituma isoko rya gisivili ryangirika cyane. Iki cyuho gikomeye cyibisabwa cyateje imbere ubundi buryo. Abadage babanje gukoresha PVC yometse ku mwenda, barema uruhu rwa mbere rw’isi. Ibi bikoresho, hamwe n’amazi meza yo kurwanya amazi, kuramba, no kwezwa byoroshye, byahise byifashishwa mubice nkimizigo hamwe ninkweto.
Ibisobanuro by'ibanze: Uruhu rwa PVC ni ibintu bimeze nk'uruhu bikozwe mu gusiga cyangwa gutondekanya igipande kimeze nk'ibisigazwa bivangwa na polyvinyl chloride resin, plasitike, stabilisateur, hamwe na pigment ku mwenda w'imyenda (nk'ibitambara, uboshywe, n'ibitambara bidoda). Ibikoresho noneho bigenda muburyo nka gelation, kubira ifuro, gushushanya, no kuvura hejuru. Intandaro yiyi nzira iri mugukoresha polyvinyl chloride resin.
2. Uruhu rwa PU: Umuntu mushya wegereye uruhu rwukuri
Uruhu rwa PU rwagaragaye nyuma yimyaka 20 nyuma ya PVC. Ubuhanga bwa Polyurethane (PU) bwavumbuwe n’umuhanga mu bya shimi w’umudage Otto Bayer na bagenzi be mu 1937 kandi byateye imbere vuba nyuma y’Intambara ya Kabiri y'Isi Yose. Iterambere mu ikoranabuhanga ry’imiti mu myaka ya za 1950 na 1960 ryatumye habaho iterambere ry’uruhu rukoreshwa hakoreshejwe polyurethane.
PU ikorana buhanga ryuruhu yagize iterambere ryihuse mubuyapani na koreya yepfo mumyaka ya za 70. By'umwihariko, amasosiyete y'Abayapani yateje imbere imyenda ya microfibre (mu magambo ahinnye yitwa "uruhu rwa microfiber") hamwe na microstructure isa neza cyane n'uruhu nyarwo. Bahujije ibi hamwe no gutera polyurethane hamwe nuburyo bwo gutwikira, bakoze "microfiber PU uruhu," imikorere yabo isa cyane nimpu nyazo ndetse ikanayirenza mubice bimwe. Ibi bifatwa nkimpinduramatwara mu buhanga bwuruhu.
Ibisobanuro by'ibanze: Uruhu rwa PU ni ibintu bimeze nk'uruhu bikozwe mu mwenda (bisanzwe cyangwa microfiber), bisizwe cyangwa byatewe hamwe na poliurethane, hanyuma bigakama, gukama, no kuvura hejuru. Intandaro yiyi nzira iri mubikorwa bya polyurethane. PU resin isanzwe ni thermoplastique, itanga uburyo bworoshye bwo gutunganya no gukora ibicuruzwa byiza.
Incamake: Amateka, uruhu rwa PVC rwatangiye nk "ibintu byihutirwa byintambara," bikemura ikibazo cyo kuboneka. Ku rundi ruhande, uruhu rwa PU, ni umusaruro w’iterambere ry’ikoranabuhanga, ugamije gukemura ikibazo cy’ubuziranenge no gukurikirana hafi y’uruhu nyarwo. Uru rufatiro rwamateka rwagize uruhare runini munzira ziterambere ryakurikiyeho nibiranga ibicuruzwa byombi.
II. Ibikoresho bya shimi byimikorere nuburyo bwo kubyaza umusaruro: Imizi yo gutandukana
Itandukaniro ryibanze hagati yibi byombi biri muri sisitemu ya resin, nka, "code code", igena ibintu byose byakurikiyeho.
1. Kugereranya imiti
PVC (Polyvinyl Chloride):
Ibyingenzi byingenzi: Ifu ya polyvinyl chloride resin. Iyi ni polar, amorphous polymer isanzwe ikomeye cyane kandi yoroheje.
Ibyingenzi byingenzi:
Plastiseri: Ubu ni "roho" y'uruhu rwa PVC. Kugirango ihindurwe kandi itunganyirizwe, umubare munini wa plasitike (mubisanzwe 30% kugeza 60% kuburemere) ugomba kongerwamo. Plastisike ni molekile ntoya yashyizwe hagati yumunyururu wa macromolecule ya PVC, igabanya imbaraga za intermolecular bityo bigatuma ibikoresho byoroha kandi bigahinduka. Amashanyarazi akoreshwa cyane arimo phthalates (nka DOP na DBP) hamwe na plasitiki yangiza ibidukikije (nka DOTP na citrate esters).
Ubushyuhe bwo gushyushya: PVC ntabwo ihindagurika cyane kandi yangirika byoroshye mugihe cyo gutunganya ubushyuhe, ikarekura hydrogène chloride (HCl), bigatuma ibikoresho bihinduka umuhondo kandi bikangirika. Stabilisateur nk'umunyu wa gurşu na calcium zinc birakenewe kugirango ubuze kubora. Abandi: Harimo kandi amavuta, ibyuzuza, pigment, nibindi.
PU (Polyurethane):
Ibice nyamukuru: Polyurethane resin. Byakozwe binyuze muri polymerisation reaction ya polyisocyanates (nka MDI, TDI) na polyoli (polyester polyole cyangwa polyether polyole). Muguhindura ibikoresho fatizo nibipimo, ibicuruzwa byanyuma, nkibikomeye, byoroshye, hamwe no kwambara, birashobora kugenzurwa neza.
Ibyingenzi byingenzi: PU resin irashobora kuba yoroshye kandi yoroshye, mubisanzwe bisaba ko hatabaho kongeramo plastike. Ibi bituma uruhu rwa PU rworoshye ugereranije kandi rworoshye.
Ingaruka itaziguye y’imiti itandukanye: PVC kwishingikiriza cyane kuri plasitike niyo ntandaro yinshi mubitagenda neza (nko kumva bikabije, ubugome, nibidukikije). Ku rundi ruhande, PU ni "injeniyeri" mu buryo butaziguye kugira ngo itange ibintu byifuzwa binyuze mu miti ikomatanya imiti, ikuraho ibikenerwa byongeweho molekile nto. Kubwibyo, imikorere yayo irarenze kandi ihamye.
2. Kugereranya inzira yumusaruro
Ibikorwa byo kubyaza umusaruro ni urufunguzo rwo kugera ku mikorere yarwo. Mugihe inzira zombi zisa, amahame yibanze aratandukanye. PVC uburyo bwo gukora uruhu (ukoresheje igifuniko nkurugero):
Ibigize: ifu ya PVC, plasitike, stabilisateur, pigment, nibindi bivangwa mukuvanga umuvuduko mwinshi kugirango bibe paste imwe.
Igipfundikizo: paste ya PVC ikoreshwa neza kumyenda y'ibanze ukoresheje spatula.
Gelation / Plastisike: Ibikoresho bisize byinjira mu ziko ryubushyuhe bwo hejuru (mubisanzwe 170-200 ° C). Mugihe cy'ubushyuhe bwinshi, PVC resin ibice bikurura plasitike hanyuma bigashonga, bigakora firime ikomeza, imwe ihuza firime ikomeye. Iyi nzira yitwa "gelation" cyangwa "plastike."
Kuvura Ubuso: Nyuma yo gukonjesha, ibikoresho byanyujijwe mumuzingo ushushanya kugirango utange imyenda itandukanye y'uruhu (nk'ingano ya lychee n'intama z'intama). Ubwanyuma, kurangiza hejuru mubisanzwe bikoreshwa, nka spray-on PU lacquer (ni ukuvuga PVC / PU ikomatanya uruhu) kugirango utezimbere ibyiyumvo no kwambara, cyangwa gucapa no kurangi. PU uburyo bwo gukora uruhu (ukoresheje inzira itose kandi yumye nkurugero):
Uburyo bwo kubyaza umusaruro uruhu rwa PU buraruhije kandi buhambaye, kandi hariho uburyo bubiri bwingenzi:
Kuma-gutunganya uruhu rwa PU:
Amababi ya polyurethane ashonga mumashanyarazi nka DMF (dimethylformamide) kugirango abeho.
Igicucu noneho gikoreshwa kumurongo wo kurekura (impapuro idasanzwe ifite ubuso bushushanyije).
Gushyushya bihumeka umusemburo, bigatuma polyurethane ikomera muri firime, ikora ishusho kumurongo wo kurekura.
Urundi ruhande noneho rushyirwa kumyenda y'ibanze. Nyuma yo gusaza, umurongo wo kurekura urakuweho, bikavamo uruhu rwa PU rufite ishusho nziza.
Uruhu rutunganijwe rwa PU uruhu (shingiro):
Polyurethane resin slurry ikoreshwa muburyo butaziguye.
Umwenda uhita winjizwa mumazi (DMF n'amazi ntibishoboka). Amazi akora nka coagulant, akuramo DMF mumashanyarazi, bigatuma poliurethane resin ikomera kandi ikagwa. Muri iki gihe, polyurethane ikora imiterere isa na microse nini yuzuye gaze, itanga uruhu rwuzuye uruhu rwinshi kandi ruhumeka neza, hamwe no kumva byoroshye kandi byoroshye, bisa nkimpu nyazo.
Ibicuruzwa bivamo uruhu rwuzuye ibicuruzwa byarangiye bisanzwe bigenda byumye kugirango bivurwe neza.
Ingaruka itaziguye yuburyo butandukanye: Uruhu rwa PVC rukorwa gusa no gushonga kumubiri, bikavamo imiterere yuzuye. Uruhu rwa PU, cyane cyane binyuze mubikorwa bitose, biteza imbere imiterere ya sponge. Nibyingenzi byingenzi bya tekinike ituma uruhu rwa PU rusumba kure PVC muburyo bwo guhumeka no kumva.
III. Kugereranya Imikorere Yuzuye: Kugaragaza neza Icyiza
Bitewe na chimisties zitandukanye nuburyo bwo gukora, uruhu rwa PVC na PU rugaragaza itandukaniro rigaragara mumiterere yumubiri.
- Umva kandi woroshye:
- Uruhu rwa PU: Byoroshye kandi byoroshye, bihuza neza nu murongo wumubiri neza, bikamuha kumva bisa nimpu nyayo.
- Uruhu rwa PVC: Ugereranije birakomeye kandi ubuze ubuhanga, biroroshye byoroshye iyo byunamye, bikamuha ibyiyumvo bisa na plastiki. - Guhumeka no kwemerera neza:
- Uruhu rwa PU: Itanga uburyo bwiza bwo guhumeka no gutembera neza, kugumisha uruhu ugereranije mugihe cyo kwambara no gukoresha, kugabanya kumva ibintu byuzuye.
- Uruhu rwa PVC: Itanga guhumeka nabi hamwe nubushuhe bwamazi, bishobora gutera byoroshye ibyuya, kubyimba, no kutamererwa neza nyuma yo gukoresha igihe kirekire cyangwa kwambara.
- Gukuramo no Kurwanya Kurwanya:
- Uruhu rwa PU: Itanga abrasion nziza kandi irwanya gukubitwa, kwihanganira urwego runaka rwo guterana no kunama, kandi ntabwo byoroshye kwambara cyangwa guturika.
- Uruhu rwa PVC: rutanga ugereranije no gukuramo nabi, kandi bikunda kwambara no gucika nyuma yo kumara igihe kirekire, cyane cyane mubice bikunze gukubitwa no guterana amagambo.
- Kurwanya Hydrolysis:
- Uruhu rwa PU: Itanga hydrolysis idahwitse, cyane cyane uruhu rwa PU rushingiye kuri polyester, rukunda kwibasirwa na hydrolysis ahantu h’ubushuhe, bigatuma ibintu byangirika.
- Uruhu rwa PVC: Itanga hydrolysis nziza cyane, ihuza cyane n’ibidukikije, kandi ntabwo byangizwa na hydrolysis. - Kurwanya Ubushyuhe:
- Uruhu rwa PU: Ikunda gukomera ku bushyuhe bwinshi kandi igakomera ku bushyuhe buke. Irumva ihindagurika ryubushyuhe kandi ifite intera ikora igereranije.
- Uruhu rwa PVC: Ifite ubushyuhe bwiza kandi ikomeza gukora neza ugereranije n'ubushyuhe bwagutse, ariko kandi ifite ibyago byo kuba ubukonje ku bushyuhe buke.
- Imikorere y'ibidukikije:
- Uruhu rwa PU: Birashobora kwangirika kuruta uruhu rwa PVC. Ibicuruzwa bimwe bishobora kuba birimo umubare muto wibisigazwa bya organic solge, nka DMF, mugihe cyibikorwa, ariko imikorere yabidukikije muri rusange ni nziza.
- Uruhu rwa PVC: Ntirwangiza ibidukikije, rurimo chlorine. Ibicuruzwa bimwe bishobora kuba birimo ibintu byangiza nkibyuma biremereye. Mugihe cyo gukora no kuyikoresha, irashobora kurekura imyuka yangiza, ishobora kugira ingaruka zimwe kubidukikije nubuzima bwabantu.
Kugaragara n'ibara
- Uruhu rwa PU: Iza muburyo butandukanye bwamabara meza, hamwe nibara ryiza rihamye kandi ntabwo byoroshye gucika. Ubuso bwacyo hamwe nimiterere biratandukanye, kandi birashobora kwigana imiterere itandukanye yimpu, nkuruhu rwinka nintama zintama, kandi irashobora no gushirwaho hamwe nibishusho bidasanzwe hamwe nibishushanyo mbonera kugirango bihuze ibyifuzo bitandukanye. - Uruhu rwa PVC: Ruraboneka kandi muburyo butandukanye bwamabara, ariko ruri munsi gato yimpu ya PU muburyo bugaragara bwamabara. Imiterere yubuso bwayo iroroshye, mubisanzwe yoroshye cyangwa hamwe nudushushanyo tworoshye, bigatuma bigorana kugera kubintu bigaragara cyane byuruhu rwa PU.
Ubuzima
- Uruhu rwa PU: Ubuzima bwarwo muri rusange ni imyaka 2-5, ukurikije ibidukikije ninshuro zikoreshwa. Hamwe nimikoreshereze isanzwe no kuyitaho, ibicuruzwa byuruhu rwa PU bigumana isura nziza nibikorwa.
- Uruhu rwa PVC: Ubuzima bwarwo ni bugufi, mubisanzwe imyaka 2-3. Bitewe no kutaramba kwayo, ikunda gusaza no kwangirika hamwe no gukoresha kenshi cyangwa ibidukikije bikaze.
Igiciro n'Ibiciro
- Uruhu rwa PU: Igiciro cyacyo kirenze uruhu rwa PVC, hafi 30% -50%. Igiciro cyacyo kiratandukanye bitewe nibikorwa nkibikorwa byumusaruro, ubwiza bwibikoresho, nibirango. Mubisanzwe, hagati ya-PU ibicuruzwa byo mu ruhu bihenze cyane.
- Uruhu rwa PVC: Igiciro cyarwo ni gito, bigatuma ruba rumwe muruhu ruhendutse ruhendutse ku isoko. Ibyiza byacyo bituma ikoreshwa cyane mubicuruzwa byita ku biciro.
Incamake y'imikorere:
Ibyiza bya PVC birimo uruhu rwo kwihanganira kwambara, gukomera cyane, igiciro gito cyane, hamwe nuburyo bworoshye bwo gukora. Nibintu byiza "ibikoresho bikora."
Ibyiza by'uruhu rwa PU birimo ibyiyumvo byoroheje, guhumeka, guhindagurika neza, ubukonje no gusaza, ibintu byiza byumubiri, hamwe n’ibidukikije. Nibintu byiza "byuburambe," byibanda ku kwigana no kurenga ibyiyumvo byuruhu nyarwo.
IV. Icyerekezo cyo gusaba: Itandukaniro kubikorwa
Ukurikije imikorere yavuzwe haruguru, byombi mubisanzwe bifite imyanya itandukanye no kugabana imirimo kumasoko yo gusaba. Ibyingenzi Byingenzi bya PVC Uruhu:
Imizigo hamwe n’imifuka: Cyane cyane imanza zikomeye n’imifuka isaba imiterere ihamye, hamwe n’imifuka yingendo hamwe nudufuka dusaba kwihanganira kwambara.
Ibikoresho by'inkweto: Byakoreshejwe cyane cyane ahantu hatabonetse nka soles, trim yo hejuru, hamwe na linings, hamwe na bote yimvura yo hasi hamwe ninkweto zakazi.
Ibikoresho no gushariza: Byakoreshejwe hejuru yumwanya udahuza nkumugongo, impande, hamwe nuduce twa sofa n'intebe, ndetse no mu myanya itwara abantu (bisi na metero), aho bihanganira kwambara cyane kandi bihendutse. Igipfukisho c'urukuta, igipfundikizo hasi, n'ibindi. Imbere mu modoka: Buhoro buhoro gusimburwa na PU, iracyakoreshwa muri moderi zimwe na zimwe zo mu rwego rwo hasi cyangwa ahantu hake cyane nko ku mbaho z'umuryango no ku mbaho.
Ibicuruzwa byinganda: imifuka yibikoresho, ibipfukisho birinda, ibipfukisho byibikoresho, nibindi.
Ibyingenzi Byingenzi bya PU Uruhu:
Ibikoresho by'inkweto: Isoko nyamukuru rwose. Ikoreshwa mukuzamura inkweto, inkweto zisanzwe, ninkweto zimpu kuko itanga umwuka mwiza, ubworoherane, hamwe nuburyo bwiza.
Imyambarire n'imyambarire: Ikoti ry'uruhu, ipantaro y'uruhu, amajipo y'uruhu, gants, n'ibindi.
Ibikoresho byo mu nzu n'ibikoresho byo mu rugo: sofa yo mu rwego rwohejuru ya sofa yo mu ruhu, intebe zo kuriramo, ameza yo kuryama, n'utundi turere duhura n'umubiri. Uruhu rwa Microfiber PU rukoreshwa cyane mubyicaro by'imodoka nziza, ibiziga, hamwe na bande, bitanga uburambe bwukuri bwuruhu.
Imizigo n'ibikoresho: Amashashi yo mu rwego rwo hejuru, igikapu, umukandara, n'ibindi.
Ibikoresho bya elegitoroniki bipfunyika: Byakoreshejwe mumifuka ya mudasobwa igendanwa, ikariso ya terefone, ibirahuri, nibindi, kuringaniza uburinzi hamwe nuburanga.
Umwanya w'isoko:
Uruhu rwa PVC rufite umwanya uhamye ku isoko ryo hasi no mu nganda zisaba kwihanganira kwambara cyane. Ikigereranyo cyibikorwa-ntagereranywa.
Ku rundi ruhande, uruhu rwa PU, rwiganje ku isoko hagati kugeza ku rwego rwo hejuru kandi rukomeje guhangana n’isoko ryo mu rwego rwo hejuru mbere ryiganjemo uruhu nyarwo. Nuburyo bwibanze bwo kuzamura abaguzi kandi nkuburyo bwuruhu nyarwo.
V. Ibiciro n'Isoko
Igiciro:
Igiciro cyumusaruro wuruhu rwa PVC kiri hasi cyane ugereranije nu ruhu rwa PU. Ibi ahanini biterwa nigiciro gito cyibikoresho fatizo nka PVC resin na plasitike, hamwe nogukoresha ingufu nke hamwe nuburyo bworoshye bwo gukora. Nkigisubizo, igiciro cyuruhu rwa PVC cyarangiye mubisanzwe ni kimwe cya kabiri cyangwa kimwe cya gatatu cyuruhu rwa PU.
Inzira y'isoko:
Uruhu rwa PU rukomeje kwaguka, mu gihe uruhu rwa PVC rukomeza kugabanuka gahoro gahoro: Ku isi hose, cyane cyane mu bihugu byateye imbere, uruhu rwa PU rugenda rwangiza umugabane w’uruhu rwa PVC ku isoko gakondo bitewe n’amabwiriza y’ibidukikije akomeye (nk’amabwiriza y’ubumwe bw’ibihugu by’Uburayi abuza phthalate) no kongera ibyo abaguzi bakeneye ku bwiza no guhumurizwa. Iterambere ry’uruhu rwa PVC ryibanda cyane cyane mu bihugu biri mu nzira y'amajyambere no mu nzego zita cyane ku biciro. Kurengera ibidukikije n’iterambere rirambye byahindutse imbaraga zingenzi:
BU ishingiye kuri bio, PU ishingiye kumazi (idafite solvent), PVC idafite plastike, hamwe na plasitiki yangiza ibidukikije byahindutse ubushakashatsi niterambere ryiterambere. Abafite ibicuruzwa nabo barashyira imbere gushyira mubikorwa ibikoresho.
Uruhu rwa Microfiber PU (uruhu rwa microfiber) nicyerekezo kizaza:
Uruhu rwa Microfiber rukoresha umwenda fatizo wa microfibre ufite imiterere isa na fibre ya kolagen yimpu zukuri, zitanga imikorere yegera cyangwa irenga uruhu nyarwo. Azwi nk "igisekuru cya gatatu cyuruhu rwakozwe." Yerekana isonga rya tekinoroji yubukorikori kandi ni icyerekezo cyingenzi cyiterambere ryisoko ryohejuru. Ikoreshwa cyane murwego rwohejuru rwimodoka, inkweto za siporo, ibicuruzwa byiza, nibindi bice.
Guhanga udushya:
PVC na PU byombi biteza imbere imikorere ikora nka antibacterial, mildew-fire, flame-retardant, UV irwanya UV, na hydrolysis-irwanya hydrolysis kugirango ihuze ibyifuzo bisabwa mubisabwa byihariye.
VI. Nigute Gutandukanya uruhu rwa PVC nuruhu rwa PU
Ku baguzi n'abaguzi, kumenya uburyo bworoshye bwo kumenyekanisha ni ngirakamaro cyane.
Uburyo bwo gutwika (Byukuri):
Uruhu rwa PVC: Biragoye gutwika, kuzimya ako kanya iyo ukuwe kumuriro. Intangiriro yumuriro nicyatsi kandi ifite impumuro ikomeye, ya acide hydrochloric (nka plastike yaka). Irakomera kandi yirabura nyuma yo gutwikwa.
Uruhu rwa PU: Yaka, hamwe numuriro wumuhondo. Ifite impumuro isa n'ubwoya cyangwa impapuro zaka (bitewe nuko ester na amatsinda ya amino). Yoroshya kandi ikomera nyuma yo gutwikwa.
Icyitonderwa: Ubu buryo bushobora kureba
Uruhu rwa PVC n'uruhu rwa PU ntabwo ari ikibazo cy "icyiza" na "kibi." Ahubwo, nibicuruzwa bibiri byatejwe imbere bishingiye kubikenewe mu bihe bitandukanye no gutera imbere mu ikoranabuhanga, buri kimwe gifite ishingiro kandi gishobora gukoreshwa.
Uruhu rwa PVC rugereranya uburinganire burenze hagati yikiguzi nigihe kirekire. Irakomeza kwihangana mubikorwa aho ihumure nibikorwa bidukikije bidakomeye, ariko aho kwambara, kurwanya amazi, nigiciro gito nibyingenzi. Ejo hazaza habo hashingiwe ku gukemura ibibazo by’ibidukikije ndetse n’ubuzima binyuze muri plasitiki yangiza ibidukikije ndetse n’iterambere ry’ikoranabuhanga, bityo igakomeza umwanya wacyo nkibikoresho bikora.
Uruhu rwa PU ni amahitamo meza yo guhumuriza no kurengera ibidukikije. Yerekana iterambere nyamukuru ryuruhu rwubukorikori. Binyuze mu guhanga udushya mu ikoranabuhanga, yarenze PVC mu bijyanye no kumva, guhumeka, ibintu bifatika, ndetse n’ibidukikije, ihinduka inzira nyamukuru y’uruhu nyarwo no kuzamura ubwiza bw’ibicuruzwa. Uruhu rwa Microfiber PU, byumwihariko, ruhindura imirongo hagati yimpu ngengabihe nukuri, ifungura porogaramu nshya zohejuru.
Mugihe uhisemo ibicuruzwa, abaguzi nababikora ntibagomba kugereranya igiciro gusa ahubwo bafata icyemezo cyuzuye gishingiye kumikoreshereze yanyuma yibicuruzwa, ibisabwa kugenzurwa kumasoko yagenewe, ibyo ibidukikije byiyemeje, hamwe nuburambe bwabakoresha. Gusa mugusobanukirwa itandukaniro ryabo ryonyine dushobora guhitamo ubwenge kandi bukwiye. Mu bihe biri imbere, uko ibikoresho byikoranabuhanga bigenda bitera imbere, dushobora kubona "igisekuru cya kane n'icya gatanu" impu z'ubukorikori zifite imikorere myiza ndetse no kubungabunga ibidukikije. Ariko, ibinyejana birenga ibinyejana byinshi bihanganye kandi byuzuzanya bya PVC na PU bizakomeza kuba igice gishimishije mumateka yiterambere ryibikoresho.
Igihe cyo kohereza: Nzeri-12-2025
