Iyini i-EVA Foam?
Igwebu le-EVA, elifushane ngegwebu le-ethylene-vinyl acetate, liyi-foam eyiseli evaliwe eyenziwe ngokuhlanganisa ama-ethylene nama-vinyl acetate copolymers.
Ithambile, iyavumelana nezimo, iyakwazi ukumelana nezimo, futhi ilula, inezindawo ezinhle kakhulu zokumunca ukushaqeka kanye nezindawo zokumisa.
Amashidi egwebu e-EVA, amaroli, kanye nemikhiqizo ebunjiwe asetshenziswa kakhulu ezicathulweni, emaphaketheni, emishinini yezemidlalo, ezimbonini zezimoto, nasezimbonini zezokwelapha.
Yiziphi izakhiwo eziyinhloko ze-EVA Foam?
Igwebu le-EVA liqinile kakhulu, liyagobeka, futhi alikwazi ukuqhekeka noma ukuqina ngokuhamba kwesikhathi.
Inomunca omuhle kakhulu womthelela, i-buoyancy, kanye ne-vibration damping.
Ukwengeza, igwebu le-EVA alikwazi ukumelana namanzi, amelana ne-UV, futhi linokumelana okuhle kwamakhemikhali, okulenza lifaneleke kokubili ukusetshenziswa kwangaphakathi nangaphandle.
Yiziphi izimboni ezivame ukusebenzisa i-EVA Foam?
Igwebu le-EVA lisetshenziswa kakhulu ezicathulweni zama-midsoles, ama-insoles, kanye nama-padding ngenxa yokusebenza kwayo kokuguquguquka.
Emaphaketheni, ivikela imikhiqizo entekenteke ekushaqekeni nasekudlidlizeni ngesikhathi sokuthutha.
Kwezemidlalo nokungcebeleka, igwebu le-EVA lisetshenziselwa amacansi e-yoga, i-gym flooring, igiya lokuvikela, nezigqoko zokuzivikela.
Isetshenziswa nasezindaweni zangaphakathi zezimoto, amathoyizi, kanye ne-padding yezokwelapha.
Yiziphi izinzuzo ze-EVA Foam uma kuqhathaniswa namanye amagwebu?
Igwebu le-EVA lihlanganisa ukuguquguquka kwenjoloba nokuqina kwepulasitiki, enikeza ukunethezeka okuphezulu nokuqina.
Uma kuqhathaniswa negwebu le-PE, igwebu le-EVA lithambile, liyanwebeka, futhi linikeza ukumuncwa okungcono kokushaqeka.
Iphinde ibe nesiphetho esibushelelezi, okuyenza ilungele izinhlelo zokusebenza ezidinga kokubili ukusebenza nobuhle.
Ingabe i-EVA Foam imelana namanzi namakhemikhali?
Yebo, igwebu le-EVA linokumelana okuhle kwamanzi ngenxa yesakhiwo sayo samaseli avaliwe, esivimbela ukumuncwa komswakama.
Iphinde imelane namakhemikhali amaningi, okuhlanganisa ama-asidi athambile, ama-alkali, nama-ejenti okuhlanza.
Lokhu kwenza igwebu le-EVA lilungele izinhlelo zokusebenza zasolwandle, zangaphandle, nezemidlalo lapho ukuchayeka emanzini kuvame.
Iliphi ibanga lokushisa elingamelana ne-EVA Foam?
Igwebu le-EVA ngokuvamile lisebenza kahle emazingeni okushisa asukela ku -30°C kuya +80°C.
Ihlala iguquguquka ezindaweni ezibandayo futhi igcina ukusebenza kwe-cushioning ngaphansi kwezimo zokushisa ezivamile.
Nokho, ukuchayeka isikhathi eside emazingeni okushisa aphezulu kungase kunciphise ukuphila kwayo.
Yiziphi izinhlobo ezijwayelekile nosayizi be-EVA Foam?
Igwebu le-EVA litholakala ngamashidi, amaroli, amabhlogo, izingxenye ezibunjiwe, nezingxenye ezisikiwe ezifayo.
Iza ngokuminyana okuhlukahlukene, ubukhulu, nemibala kuye ngokuthi isetshenziswa kanjani.
Itheyiphu yegwebu ye-Adhesive-backed EVA nayo isetshenziswa kabanzi ukubekwa uphawu, ukudonsa umoya, kanye nokuncibilika kokudlidliza.
I-EVA Foam inikela kanjani ekududuzeni nasekuvikeleni?
Igwebu le-EVA alisindi kodwa linikeza ukugoba okuhle kakhulu, okuthuthukisa ukunethezeka ezicathulweni nasezinsizeni zezemidlalo.
Izakhiwo zayo ezimunca ukushaqeka zivikela imithelela, ziyenze ilungele izigqoko zokuzivikela, izinto zokubopha kanye nemishini yokuzivikela.
Emaphaketheni, ukufakwa kwe-EVA namathreyi kuvikela izinto zikagesi ezintekenteke, i-glassware, namathuluzi ngesikhathi sokuthunyelwa.
Ingabe i-EVA Foam ingenziwa ngezifiso izinhlelo zokusebenza ezithile?
Yebo, igwebu le-EVA lingalungiswa ngobuningi, ubulukhuni, nokuqina ukuze kuhlangatshezwane nezidingo zemboni ezahlukene.
Ingenziwa i-laminated ngamafilimu, izindwangu, noma izinamathiselo ukuze kusebenze okwengeziwe.
Ama-gasket egwebu e-EVA anqunyiwe, amacansi, nezinto ezifakwayo zivamile kuma-electronics, izimoto, kanye nemikhiqizo yabathengi.
I-EVA Foam iqhathaniswa kanjani ne-PE Foam?
Igwebu le-EVA lithambile, livumelana nezimo kakhudlwana, futhi linomcamelo ophakeme uma liqhathaniswa negwebu le-PE.
Igwebu le-PE liqinile, lingasindi, futhi liyabiza, livame ukusetshenziswa ekufakeni nasekupakisheni.
I-EVA ikhethwa uma ukunethezeka, ukumunca ukushaqeka, nokuqina kuyizidingo eziyinhloko.
Ingabe i-EVA Foam ihambisana nemvelo?
Igwebu le-EVA alinazo izinsimbi ezisindayo, ama-CFC, nezinto ezinobuthi, okuyenza iphephe ukusetshenziswa ngabathengi.
Nakuba ingaboli, imikhiqizo eminingi yegwebu ye-EVA ingagaywa kabusha futhi isetshenziswe kabusha.
Amagwebu e-EVA anobungani bemvelo anezinto zokusetshenziswa ezisekelwe ku-bio nawo ayathuthukiswa ukuze asetshenziswe esimeme.
Yiziphi izindlela zokufaka ze-EVA Foam?
Igwebu le-EVA lingafakwa kusetshenziswa izinto zokunamathisela, amateyipu, noma ukufaka okuqondile, kuye ngohlelo lokusebenza.
Omata be-EVA kanye ne-flooring kungakhiywa noma kunamathiselwe phansi, kuyilapho ama-gaskets e-EVA esifa kanye nezigxivizo zicindezelwa endaweni.
Ngokupakishwa, ukufakwa kwegwebu le-EVA kufakwa ngokwezifiso emabhokisini noma amakesi ukuze kuvikelwe imikhiqizo.
I-EVA Foam ihlala isikhathi esingakanani?
Igwebu le-EVA lihlala isikhathi eside futhi lingahlala iminyaka eminingi ngokusetshenziswa okufanele.
Imelana nokuqhekeka, ukuwohloka, nokumuncwa komswakama, iqinisekisa ukusebenza kwesikhathi eside.
Impilo yayo yesevisi incike ezimeni zemvelo, imvamisa yokusetshenziswa, kanye nokuchayeka ekukhanyeni kwe-UV.
Ngingayithenga kuphi i-EVA Foam yekhwalithi ephezulu?
Imikhiqizo yegwebu le-EVA iyatholakala kubakhiqizi begwebu, abahlinzeki bezimboni, nabasabalalisi bokupakisha.
Amashidi egwebu e-Bulk EVA, amaroli, namabhulokhi angatholakala ngokuqondile kubakhi begwebu be-EVA abakhethekile.
Ukuze uthole izixazululo ezenziwe ngokwezifiso, abahlinzeki abaningi bahlinzeka ngokufakwa kwe-EVA-cut cut, ama-gaskets, nemikhiqizo yegwebu enamathelayo.
