Ndi imodzi iti yomwe ili yabwino kwa nsapato zanu: zopangira, mphira kapena EVA?

Rubber, synthetic kapena EVA? Chisankhocho ndi chachikulu, kotero muyenera kudziwa chomwe chimakuyenererani bwino. Zopangira mphira zimakhala zolimba, zolimba komanso zimagwira bwino pamtunda. Zopangira zopanga ndizopepuka, zosinthika komanso zimapereka chithandizo chabwino. Zovala za EVA ndizokhazikika, zimapereka mayamwidwe abwino kwambiri komanso ndizopepuka. M'nkhaniyi ndikukambirana za kusiyana ndi zomwe muyenera kuziganizira posankha yekha yekha.

Kuyerekeza kwakukulu: zopangira, mphira ndi EVA soles

Tiyeni tiyambe ndi zopangira zopangira. Miyendo iyi imapangidwa ndi kusakaniza kwa zinthu zosiyanasiyana zomwe pamodzi zimapanga chokhazikika cholimba komanso cholimba. Zomwe zimayambira nthawi zambiri zimakhala ngati pulasitiki, koma zinthu zina zimatha kuwonjezeredwa kuti zipereke zowonjezera zowonjezera. Zopangira zopangira nthawi zambiri zimakhala zopepuka komanso zimapereka chithandizo chabwino pamapazi anu. Zimakhalanso zosavuta kuzisamalira komanso zokhalitsa.

Kupeza malire abwino

Tsopano popeza mukudziwa zambiri za mitundu yosiyanasiyana ya soles, ndi nthawi yoti mudziwe kuti ndi iti yomwe ili yoyenera kwa inu. Nazi zina zomwe muyenera kukumbukira:

• Thandizo: Kodi mukuyang'ana chokhacho chomwe chimaumba bwino kumapazi anu ndikupereka chithandizo chowonjezera? Ndiye EVA yokhayo ikhoza kukhala chisankho chabwino kwambiri kwa inu.
• Kugwira: Ngati kumangirira pamalo osiyanasiyana ndikofunikira, ndiye njira yabwino kwambiri yopangira mphira. Amapereka mphamvu yogwira bwino pamalo owuma komanso onyowa.
• Kukhalitsa: Ngati mukuyang'ana yokha yomwe idzakhala yokhalitsa, mphira ndi zopangapanga ndizo zabwino. Zida zonsezi sizivala komanso zimagonjetsedwa ndi madzi.

Pamapeto pake, ndikofunikira kukumbukira kuti palibe yankho la "saizi imodzi yokwanira zonse" ikafika pamiyendo. Ndikofunika kuganizira zosowa zanu ndi zomwe mumakonda posankha yekha yoyenera kwa inu.

PU rabara ndi EVA: Zida ziwiri zomwe zikuwoneka zofanana

Choyamba, tiyeni tiwone PU labala. PU imayimira polyurethane, zinthu zopangira zomwe zimagwiritsidwa ntchito ngati m'malo mwa mphira wachilengedwe. Ndimakumbukira pamene ndinagula nsapato zanga zoyamba zokhala ndi mphira wa PU ndipo ndinadabwa momwe zinalili zopepuka komanso zomasuka. PU rabara ndi yosinthika, yosavala komanso yogwira bwino, yomwe imapangitsa kuti ikhale yabwino pamapazi.

EVA: thovu lopepuka

Kumbali inayi, tili ndi EVA, yomwe imayimira Ethylene Vinyl Acetate. Uwu ndi mtundu wa thovu lomwe nthawi zambiri mumapeza pakati pa ma midsoles nsapato. Ndimakumbukirabe nditavala nsapato zanga zoyamba zothamanga ndi EVA soles ndipo nthawi yomweyo ndinamva kusiyana kwake: zinali zopepuka komanso zowoneka bwino! EVA imapereka mayamwidwe abwino kwambiri pomwe imakhala yopepuka, ndikupangitsa kukhala chisankho chodziwika bwino pa nsapato zamasewera.

Kufanana pakati pa PU rabara ndi EVA

Poyamba, mphira wa PU ndi EVA ndizofanana kwambiri. Zida zonsezi ndi:

• Zopanga: Onse PU ndi EVA ndi zida zopangidwa ndi anthu, kutanthauza kuti amapangidwa mu labu m'malo mongotengedwa kuzinthu zachilengedwe.
• Zosinthika: Zida zonsezi zimatha kupindika ndikuyenda mosavuta, kuzipangitsa kukhala zomasuka kuvala ndikusintha mawonekedwe a phazi lanu.
• Opepuka: Onse a PU rabara ndi EVA ndi opepuka kuposa mphira wachilengedwe, kutanthauza kuti sangakuchedwetseni mukamalimbitsa thupi kapena mukuyenda.

Dziwani kusinthasintha kwa EVA yokhayo

EVA thovu ndi chinthu chopepuka komanso chosinthika chomwe chimagwirizana bwino ndi mawonekedwe a phazi lanu. Zinayamba chifukwa chakuchitapo pakati pa ethylene ndi vinyl acetate, zomwe zidapangitsa kuti thovu lomwe lili ndi zinthu zonyowa kwambiri. Izi zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito mu nsapato, makamaka pamasewera omwe mapazi anu amapirira kwambiri.

Chifukwa chiyani ma EVA soles ndi oyenera masewera

Miyendo ya EVA idapangidwa ndi zosowa za anthu okangalika. Amapereka mayamwidwe abwino kwambiri, kotero kuti mapazi anu sangapweteke kwambiri mutachita masewera olimbitsa thupi tsiku lonse. Kuonjezera apo, amasinthasintha ndikugwirizana ndi mawonekedwe a phazi lanu, kuonetsetsa kuti azikhala omasuka komanso othandizira. Ubwino wina wa ma EVA soles ndi awa:

• Kuthamanga kwamphamvu kwa sitepe yabwino
• Kusinthasintha komwe kumagwirizana ndi mawonekedwe a phazi lanu
• Mapangidwe opepuka kuti akhale ndi ufulu woyenda bwino

Kusinthasintha kwazinthu za EVA m'moyo watsiku ndi tsiku

Zovala za EVA sizoyenera masewera okha, komanso ntchito za tsiku ndi tsiku. Amapereka maziko abwino komanso othandizira pamapazi anu, ziribe kanthu komwe muli. Kaya mukuyenda m'nyumba kapena panja, pamalo olimba kapena ofewa, ma EVA soles amapereka chisangalalo chosangalatsa. Nthawi zina pomwe ma EVA amapambana ndi awa:

• Kuyenda kwautali pamitundu yosiyanasiyana ya mtunda
• Kugwiritsa ntchito tsiku lililonse m'miyezi yotentha komanso yozizira
• Kuthetsa madandaulo ndi ululu muzochitika zina za phazi

Momwe ma EVA soles amathandizira pakuyenda bwino

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Miyendo ya EVA idapangidwa kuti igawitse kupanikizika pamapazi pamene mukuyenda. Izi zikutanthauza kuti zala zanu, chidendene ndi kutsogolo kwa phazi lanu zonse zimapeza chithandizo choyenera. Kuonjezera apo, zinthu zosinthika zimatsimikizira kuti zokhazokhazo zimagwirizana ndi mawonekedwe a phazi lanu, zomwe zimapangitsa kuti mukhale ndi mwayi wabwino komanso wochepa wa matuza kapena zovuta zina.

Tsogolo la EVA soles: zatsopano ndi ukadaulo

Kutchuka kwa soles za EVA kukukulirakulirabe, ndipo opanga nthawi zonse amafunafuna njira zowonjezera zinthuzo. Izi zikutanthauza kuti titha kuyembekezera ma EVA apamwamba kwambiri komanso omasuka m'tsogolomu, ogwirizana ndi zosowa za aliyense wogwiritsa ntchito. Mwachitsanzo, taganizirani zapazipazi zomwe zimayamwa bwino kwambiri, kapena zomwe zimagwirizana bwino ndi mawonekedwe a phazi lanu. Mwayi ndi zopanda malire!

Dziko la mphira

Choyamba, tiyeni tione chiyambi cha mphira. Rubber ndi zinthu zachilengedwe zomwe zimachokera ku madzi a zomera zosiyanasiyana, monga mtengo wa raba waku India, dandelion, taraxacum, parthenium, fundasa ndi landolphia. Dziko la Brazil linali lopanga labala lalikulu kwambiri padziko lonse lapansi, koma masiku ano pali mayiko ambiri omwe amapanga labala padziko lonse lapansi, kuphatikizapo Philippines.

Madziwo amachotsedwa ku zomera, amasefedwa ndi kuchepetsedwa ndi madzi ndi asidi. Kenako amakulungidwa mu magawo woonda ndikuwumitsa. Njirayi imapanga mphira wosaphika womwe umagwiritsidwa ntchito popanga zinthu zosiyanasiyana, kuphatikizapo mphira.

Mpira vs. synthetic ndi EVA

Ngakhale mphira ili ndi zabwino zambiri, palinso zovuta zina poyerekeza ndi zopangira ndi EVA. Zopangira mphira nthawi zambiri zimakhala zolemera kuposa zomwe zimapangidwira komanso za EVA, zomwe zitha kukhala zosokoneza m'masewera kapena zochitika zina pomwe kulemera ndikofunikira.

Kuonjezera apo, zopangira mphira nthawi zambiri zimakhala zokwera mtengo kuposa zopangira ndi EVA, zomwe zingapangitse ndalama zambiri kwa wogwiritsa ntchito mapeto. Komabe, chifukwa cha kukhalitsa kwawo komanso moyo wautali, zopangira mphira zimatha kukhala ndalama zabwino pakapita nthawi.

Pomaliza, ndikofunikira kudziwa kuti palinso zovuta zachilengedwe zomwe zimagwirizanitsidwa ndi kupanga mphira. Kuchotsa mphira wachilengedwe kungayambitse kuwonongeka kwa nkhalango ndi kutayika kwa malo okhala, pamene kupanga mphira wopangidwa kumadalira zinthu zosasinthika monga mafuta. EVA, kumbali ina, ndi njira yabwino kwambiri yotetezera zachilengedwe, chifukwa imapangidwa kuchokera ku zipangizo zongowonjezwdwanso ndipo imakhala yochepa mphamvu kwambiri kuti ipange.

Ponseponse, zopangira mphira ndizosankha zabwino pamapulogalamu ambiri, koma ndikofunikira kuyesa zabwino ndi zoyipa ndikuganizira zomwe zikugwirizana ndi zosowa zanu komanso zomwe mumakonda.

Dziwani dziko lodabwitsa la EVA: zopangira zosunthika

EVA, kapena ethylene-vinyl acetate, ndi chithovu chosinthika komanso chopepuka chomwe chimapangidwa ndi zomwe zimachitika pakati pa ethylene ndi vinyl acetate. Zopangira zosunthikazi zimagwiritsidwa ntchito pazinthu zambiri, kuphatikizapo kupanga nsapato za nsapato. Ndi njira yodziwika bwino yopangira mphira ndi mphira wachilengedwe chifukwa imapereka zabwino zina zofunika. Mwachitsanzo, EVA ndi yocheperako, yosavuta kuyipanga komanso imakhala ndi zonyowa bwino.

Kupanga thovu la EVA

Thovu la EVA limayamba ngati ma granules, omwe amatenthedwa ndikuwumbidwa kukhala ma slabs kapena nkhungu. Mlingo wa zinthu zopangira umasiyana malinga ndi ntchito ndipo umatsimikizira zomaliza za thovu. Mwachitsanzo, zinthuzo zimatha kukhala zolimba kapena zofewa, malinga ndi zomwe mukufuna.

EVA muzitsulo za nsapato: machesi opangidwa kumwamba

EVA ndiyoyenera kugwiritsidwa ntchito pamapazi a nsapato, chifukwa zinthuzo ndi zosinthika komanso zonyowa. Izi zimapangitsa kuti zikhale zoyenera kwa nsapato zamasewera ndi zosangalatsa, kumene chitonthozo ndi chithandizo ndizofunika kwambiri. Mitundu yayikulu monga Skechers adalandira EVA ngati zopangira zopangira zawo.

Mtengo wapatali wa magawo EVA

EVA imapereka mtengo wabwino kwambiri wandalama popeza zinthuzo ndizotsika mtengo kupanga pomwe zimagwira ntchito bwino. Choncho ndi chisankho chokongola kwa onse opanga ndi ogula.

EVA vs. rabara: pali kusiyana kotani?

Ngakhale kuti EVA ndi mphira zingawoneke zofanana poyamba, pali kusiyana kwakukulu. EVA ndi yopepuka komanso yosinthika kuposa mphira, kupangitsa kuti ikhale yabwino komanso yosavuta kugwiritsa ntchito. Komano, labala ndi losavala komanso limagwira bwino, makamaka pamalo onyowa. Chifukwa chake zida zonsezo zili ndi zinthu zawozawo komanso zopindulitsa, kutengera momwe zimagwiritsidwira ntchito.

Tsogolo la Eva

EVA yadziwonetsera yokha ngati zinthu zosunthika komanso zamtengo wapatali, ndipo kuthekera kwake kuli kosatha. Pomwe ukadaulo ukupitilirabe kusinthika, palibe kukayika kuti ntchito zambiri ndi zatsopano zidzatuluka m'munda wa thovu la EVA. Ndani akudziwa tsogolo la nkhani zodabwitsazi!

Dziwani kusinthasintha kwa thovu la EVA

EVA thovu, kapena thovu la ethylene-vinyl acetate, ndi zinthu zopepuka komanso zofewa zomwe zimagwiritsidwa ntchito pazinthu zambiri. Chifukwa cha mawonekedwe ake apadera, ndi oyenera kugwiritsa ntchito zosiyanasiyana, kuchokera kumalo ochitira masewerawa mpaka kutsekemera kwa mafakitale. Mutha kupeza thovu la EVA muzinthu monga nsapato zamasewera, zikwama, mateti a thovu komanso ngakhale mkati mwa magalimoto.

Mafotokozedwe aukadaulo a thovu la EVA

EVA thovu ili ndi zida zingapo zaukadaulo zomwe zimapangitsa kuti zinthuzo zikhale zosunthika. Zina zofunikira ndi izi:

• Kachulukidwe: thovu la EVA lili ndi kachulukidwe kakang'ono, zomwe zimapangitsa kuti zikhale zopepuka komanso zosavuta kugwira ntchito.
• Kutenthetsa kwa kutentha: Chithovuchi chimalimbana ndi kusinthasintha kwa kutentha ndipo chimateteza kuzizira ndi kutentha.
• Kukana madzi: thovu la EVA silimamva madzi, ndikupangitsa kuti ligwiritsidwe ntchito m'malo achinyezi.
• Kukana kwa Chemical: Zinthuzi zimagonjetsedwa ndi mankhwala ambiri, zomwe zimapangitsa kuti zikhale zoyenera kugwiritsidwa ntchito m'mafakitale.

EVA thovu pochita

M'malo mwake, thovu la EVA limagwiritsidwa ntchito pamitundu yonse yantchito. Zitsanzo zina ndi:

• Nsapato zamasewera: thovu la EVA limagwiritsidwa ntchito kwambiri pamapazi a nsapato zamasewera, chifukwa limagwira bwino komanso limakhala lomasuka kukhudza.
• Mabwalo ochitira masewera: thovuli limagwiritsidwa ntchito nthawi zambiri m'zida zosewerera komanso pansi chifukwa ndi lofewa komanso lotetezeka kwa ana.
• Kumanga ndi kutchinjiriza: thovu la EVA limagwiritsidwa ntchito kusindikiza ma seams ndi malo otchingira, chifukwa chamafuta ake abwino komanso mankhwala.
• Zogulitsa za Consumer: Kuchokera m'matumba ndi milandu kupita ku thovu ndi zida zamkati, thovu la EVA limapereka zinthu zopepuka komanso zolimba pazogwiritsa ntchito zosiyanasiyana.

Monga mukuwonera, thovu la EVA limapereka mwayi ndi zabwino zambiri. Ndizinthu zosunthika komanso zodalirika zomwe zimagwiritsidwa ntchito m'magawo osiyanasiyana ndi zinthu.

Katundu wa mphira soles

Zovala za mphira zakhala zodziwika bwino za nsapato kuyambira pakusintha kwa mafakitale. Izi ndichifukwa cha zinthu zambiri zomwe nkhaniyi ikupereka. Rubber ndi woyenera kwambiri kuumba zitsulo chifukwa cha kukana kwake kuvala, kugwedezeka ndi zochitika zakunja. Kuphatikiza apo, mphira umalimbana ndi cheza cha UV, ozoni ndi kusinthasintha kwa kutentha, zomwe zimapangitsa kuti zizigwiritsidwa ntchito nthawi yozizira komanso yotentha.

Kusinthasintha kwa rabara

Pali mitundu yambiri ya mphira, iliyonse ili ndi mawonekedwe akeake. Izi zimapangitsa mphira kukhala chinthu chosunthika kwambiri pazogwiritsa ntchito zosiyanasiyana. Mwachitsanzo, pali ma rubber omwe ali ndi madzi osakanizidwa ndi madzi, mafuta ndi zakumwa zina, pamene ma rubber ena amapereka mphamvu zambiri komanso kugwedezeka. Izi zimapangitsa mphira kukhala yoyenera ku outsole ndi insole ya nsapato.

Anti-slip ndi shock mayamwidwe

Chimodzi mwazinthu zofunika kwambiri pazitsulo za mphira ndi anti-slip effect. Rubber amagwira bwino kwambiri pamalo ambiri, zomwe zimapangitsa kuti asaterere. Kuonjezera apo, mphira imapereka kutsekemera kwabwino, komwe kumapereka chitonthozo chowonjezereka pamene mukuyenda. Izi zimapangitsa kuti mphira ikhale yabwino kwa nsapato za tsiku ndi tsiku komanso nsapato zamasewera.

Ubwino wa mphira pa zinthu zopangidwa

Ngakhale zida zopangira monga thovu la EVA ndi mphira wa PU zimaperekanso zabwino zambiri, pali zinthu zina zomwe mphira umagwira bwino ntchito. Mwachitsanzo, mphira nthawi zambiri imakhala yolimba komanso yothandiza popereka chitetezo komanso kukana kutentha. Kuonjezera apo, zitsulo za mphira nthawi zambiri zimagonjetsedwa ndi kuwonongeka kwa makina ndi abrasion kusiyana ndi zomwe zimapangidwira.

Natural motsutsana ndi mphira wopangira

Mpira ukhoza kukhala wachilengedwe kapena wopangidwa. Labala wachilengedwe amatengedwa m'minda yamitengo ya mphira, pomwe mphira wopangira amapangidwa kuchokera ku petroleum. Chiyambireni kutulukira labala yopangira mphira, kafukufuku wochuluka wachitika pakusintha kapangidwe ka mamolekyu kuti apezeke bwino. Izi zapangitsa kuti pakhale mphira wosiyanasiyana wopangidwa ndi zinthu zofananira kapena zabwinoko kuposa mphira wachilengedwe.

Mwachidule, zopangira mphira zimapereka maubwino osiyanasiyana, kuphatikiza kukana kutsetsereka, kuyamwa kugwedezeka komanso kulimba. Ngakhale zida zopangira monga EVA ndi rabara ya PU zilinso ndi zabwino zake, pali nthawi zina pomwe mphira ndiye chisankho chabwinoko.

Kutsiliza

Ndikofunika kusankha bwino nsapato zoyenera. Ndikofunika kusankha nsapato zoyenera pamayendedwe anu ndi mtundu wa phazi. Ndikofunika kusankha nsapato zoyenera pamayendedwe anu ndi mtundu wa phazi.

Anthu ambiri amasankha zopangira zokhazokha kuti zikhale zolimba komanso zolimba, koma nsapato zambiri zimakhala ndi mphira wa rabara womwe uli ndi zinthu zofanana. Chosankha chabwino ndikuchezera sitolo ya nsapato ndikusankha nsapato zoyenera za kalembedwe kanu ndi mtundu wa phazi.

Joost Nusselder, woyambitsa wa referee.eu ndi wotsatsa malonda, bambo ndipo amakonda kulemba zamitundu yonse yamasewera, komanso adasewera masewera ambiri kwa moyo wake wonse. Tsopano kuyambira 2016, iye ndi gulu lake akhala akupanga zolemba zothandiza ma blog kuti athandize owerenga okhulupirika pamasewera awo.