EVA thovu ndi chimodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri ndi thovu popanga zamakono. Imadziwika chifukwa cha kusinthasintha kwake, kulimba, ndi mantha mayamwidwe, EVA thovu amagwiritsidwa ntchito kwambiri pakuyika, zida zamasewera, nsapato, zida zoyikapo, ndi zinthu zamakampani.
Zinthu zake ndi zopepuka, chosalowa madzi, ndi yosavuta pokonza, kupanga chisankho chokondedwa m'mafakitale ambiri.
Mu bukhuli, tifufuza chomwe thovu la EVA ndi, momwe amapangidwira, mphamvu zake zakuthupi, ndi mafakitale omwe amagwiritsa ntchito.
EVA thovu limayimira Ethylene Vinyl Acetate thovu. Ndizinthu zotsekedwa za thovu zopangidwa ndi kuphatikiza ma polima a ethylene ndi vinyl acetate.
Kuphatikiza uku kumapanga thovu lomwe limasinthasintha, cholimba, ndi kugonjetsedwa ndi kusweka kapena kuthyoka. thovu la EVA lili ndi zida zabwino kwambiri zopumira ndipo zimatha kuyamwa bwino.
Chifukwa cha kapangidwe kake kotsekeka, thovu la EVA silimamwa madzi mosavuta ndipo limapereka zinthu zabwino zotchinjiriza.
EVA thovu ili ndi mikhalidwe ingapo yomwe imapangitsa kuti ikhale yoyenera kugwiritsa ntchito zambiri.
thovu la EVA ndi lopepuka kuposa labala kapena pulasitiki.
Mapangidwe a thovu amapereka mayamwidwe amphamvu komanso chitetezo champhamvu.
Maselo otsekedwa amalepheretsa kuyamwa kwa madzi.
EVA thovu akhoza kupinda ndi compress popanda akulimbana.
Zinthuzo zimasunga mawonekedwe ake ngakhale zitagwiritsidwa ntchito mobwerezabwereza.
Kachulukidwe ndi chimodzi mwazinthu zofunika kwambiri za thovu la EVA.
Kuchuluka kwa thovu la EVA kumaphatikizapo:
| Kuchulukana | Karata yanchito |
|---|---|
| 30-50kg/m³ | Zofewa za thovu |
| 60-80 kg / m³ | Kupaka thovu |
| 90-120kg/m³ | Zogulitsa zamasewera |
| 120-200 kg / m³ | Zida zoyikapo ndi zinthu zamakampani |
Chithovu chokwera kwambiri cha EVA nthawi zambiri chimakhala cholimba komanso chothandizira.
Kuuma kumayesedwa pogwiritsa ntchito Shore C scale.
Wamba EVA thovu kuuma osiyanasiyana:
| Kuuma | Karata yanchito |
|---|---|
| Mphepete mwa nyanja C 20-30 | Chithovu chofewa |
| Mphepete mwa nyanja C 30-40 | Kupaka ndi thovu loteteza |
| Mphepete mwa nyanja C 40-50 | Zida zamasewera |
| Mphepete mwa nyanja C 50-60 | Zida zoyikapo ndi thovu la mafakitale |
Kusankha kuuma koyenera kumatsimikizira ntchito yoyenera.
EVA thovu amapangidwa kudzera mu thovu la mankhwala.
Main kupanga masitepe:
Chithovucho chikhoza kukonzedwanso pogwiritsa ntchito:
EVA thovu imatha kupangidwa m'njira zambiri.
Mapepala athyathyathya omwe amagwiritsidwa ntchito pakuyika, matako, ndi ntchito mafakitale.
Zoyikapo thovu zodulidwa molondola zomwe zimagwiritsidwa ntchito m'mabokosi a zida, zida milandu, ndi zotetezera.
Mipukutu yosalekeza yomwe imagwiritsidwa ntchito poyala pansi, padding, kapena insulation.
Zida zopangidwa mwamakonda zomwe zimagwiritsidwa ntchito pamasewera amasewera kapena nsapato.
EVA thovu imagwiritsidwa ntchito m'mafakitale ambiri.
EVA thovu amagwiritsidwa ntchito kwambiri pakuyika zoteteza zamagetsi, chipangizo, ndi zinthu zosalimba.
Kuyika kwa thovu la EVA kumathandizira kukonza zida m'mabokosi a zida ndi zotengera zida.
Amagwiritsidwa ntchito mu zipewa, mapepala, masewera a yoga, ndi zida zodzitetezera.
EVA thovu amagwiritsidwa ntchito kwambiri mu nsapato za midsoles chifukwa cha kukwera kwake komanso kusinthasintha.
Chogwiritsidwa ntchito posonyeza, kusindikiza, ndi kugwedezeka.
EVA thovu amapereka zabwino zambiri poyerekeza ndi zinthu zina thovu.
Poyerekeza ndi thovu la PE, EVA thovu ndi yosinthika kwambiri.
Zabwino zonyamula zodzitchinjiriza ndi zida zamasewera.
The thovu amasunga mawonekedwe ndi ntchito pakapita nthawi.
EVA thovu akhoza kudulidwa, kuumbidwa, kapena laminated mosavuta.
Ogula ambiri amayerekezera thovu la EVA ndi thovu la polyethylene.
| Kaonekedwe | EVA Foam | PE Foam |
|---|---|---|
| Kusinthasintha | Wapamwamba | Wapakati |
| Shock mayamwidwe | Zabwino kwambiri | Zabwino |
| Kukhalitsa | Wapamwamba | Wapakati |
| Mtengo | Zapamwamba | Pansi |
| Mapulogalamu | Zamasewera, Zida, nsapato | Cakusita |
Zida zonsezi zimagwiritsidwa ntchito kwambiri, koma thovu la EVA limapereka magwiridwe antchito abwinoko pazofunikira.
Posankha thovu la EVA, ganizirani zinthu zotsatirazi:
Kusankha zoyenera kumapangitsa kuti ntchitoyo ikhale yabwino.
Foam ya Custom EVA imalola opanga kupanga mayankho enieni pazogulitsa zawo.
Ubwino wa thovu la EVA umaphatikizapo:
Kuyika kwa thovu mwamakonda kumakhala kodziwika kwambiri m'mafakitale a zida ndi zida.
EVA thovu ndi chinthu chosunthika komanso chokhazikika chomwe chimagwiritsidwa ntchito m'mafakitale ambiri. Kuphatikiza kwake kusinthasintha, mayamwidwe mantha, ndi kulimba kumapangitsa kukhala koyenera pakuyika, zida zamasewera, nsapato, ndi machitidwe opangira zida.
Ndi luso makonda kachulukidwe, kuuma, ndi mawonekedwe, EVA thovu likadali chimodzi mwazinthu zofunikira kwambiri za thovu pakupanga kwamakono.