ʻO ka copolymer Ethylene-vinyl acetate CAS 24937-78-8
ʻO ka Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) i haku ʻia me ka ethylene a me ka vinyl acetate copolymerization ma nā ʻāpana like ʻole, ʻo E i loko o ka acronym EVA e hōʻike ana i nā ʻāpana ethylene, ʻo VA e hōʻike ana i nā ʻāpana vinyl acetate, ʻo kāna hana a me ka ʻike vinyl acetate (VA) e pili pono ana, e like me nā ʻike VA like ʻole hiki ke puʻunaue ʻia i ʻekolu mau ʻāpana: ʻO ka plastic EVA me ka ʻike VA o 5%-40% e hoʻohana nui ʻia no ka hoʻololi ʻana i ka polyethylene, ka hana ʻana i ke kaula a me ke kaula, ka ʻoniʻoni a me nā huahana i hoʻoheheʻe ʻia a me nā hui ʻana; ʻO ka ʻike VA ma 40%-90% i kapa ʻia ʻo EVA rubber, i hoʻohana nui ʻia i ka rubber, ke kaula a me nā ʻāpana ʻoihana kaʻa; ʻO ka ʻike VA ma luna o 90% i kapa ʻia ʻo polyvinyl acetate emulsion, i hoʻohana nui ʻia i nā adhesives, coatings a pēlā aku.
| MEA | KŪMAU |
| helehelena | Pauka keʻokeʻo kahe manuahi |
| ʻIke paʻa (%) | ≥98.0 |
| Lehu (%) 1000℃ | 10.0-14.0 |
| Ka nui o ka nui (g/l) | 400-550 |
| Ka nui o nā ʻāpana awelika (um) | Ma kahi o 80 |
| PH | 5.0-8.0 |
| Mahana hana kiʻiʻoniʻoni haʻahaʻa loa °C | +4 |
He ākea nā noi o ka Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA), eia nā wahi noi nui:
Kahua ʻoniʻoni lahilahi
ʻO ka ʻili mahiʻai: Loaʻa i ka EVA ka hoʻoili mālamalama maikaʻi, ka mālama wela a me ke kūpaʻa i ka wā, a hoʻohana pinepine ʻia i ka hana ʻana o ka ʻili mahiʻai. Hiki iā ia ke mālama pono i ka mahana a me ka haʻahaʻa i loko o ka hale kōmahana, hoʻolaha i ka ulu ʻana o nā mea kanu, a hoʻolōʻihi i ke ola lawelawe o ka ʻili.
ʻUpena ʻili: He maikaʻi ka maʻalahi o ka ʻili EVA, ka moakāka a me ke kūʻē ʻana i ka puncture, kūpono no ka ʻūpena ʻana i nā huahana like ʻole, e like me ka meaʻai, nā mea pono o kēlā me kēia lā, a pēlā aku. Hiki iā ia ke hāʻawi i ka hana palekana maikaʻi me ka hōʻike ʻana i ke ʻano o ka huahana.
Kahua mea kāmaʻa
ʻO ke kapuaʻi: Loaʻa i ka EVA nā ʻano o ka palupalu, ka elasticity maikaʻi, ke kaumaha māmā, ke kūpaʻa ʻana i ka ʻaʻahu, a pēlā aku, ʻo ia ka mea kūpono no ka hana ʻana i ke kapuaʻi. ʻO ke kapuaʻi i hana ʻia me ka EVA he ʻoluʻolu ke komo, he hana hoʻopili haʻalulu maikaʻi, a hiki ke hōʻemi i ka luhi o ka wāwae.
Luna: Hiki ke hoʻohana ʻia ka EVA e hana i nā mea o luna, e hāʻawi ana i ka pā palupalu a me ka hanu maikaʻi, e ʻoluʻolu a nani hoʻi nā kāmaʻa.
Kahua hoʻopili hoʻoheheʻe wela
Hoʻopili wela EVA: loaʻa nā pono o ka mānoanoa ikaika, hoʻōla wikiwiki, kū'ē i ka mahana haʻahaʻa, a pēlā aku, hoʻohana nui ʻia i ka hoʻopili ʻana, ka nakinaki ʻana, ka hana ʻana i nā lako a me nā ʻoihana ʻē aʻe. Hiki ke hoʻohana ʻia e hoʻopaʻa i ka pepa, ka lāʻau, ka plastik a me nā mea ʻē aʻe, maʻalahi e hana, a hiki ke hoʻomaikaʻi i ka hana hana.
Kahua uea a me ke kaula
Papa hoʻokaʻawale: Loaʻa i ka EVA ka hana hoʻokaʻawale maikaʻi, kūpaʻa wai a me ke kūpaʻa i ka corrosion kemika, hiki ke hoʻohana ʻia e like me kahi mea papa hoʻokaʻawale no ka uea a me ke kaula, hiki ke pale pono i ka uea a me ke kaula mai ka mana o ke kaiapuni o waho, e hōʻoia i ka palekana a me ka hilinaʻi o ka hoʻoili mana.
ʻUhi: Hiki ke hoʻohana ʻia ka EVA e hana i ka ʻuhi no ka uea a me ke kaula, e hāʻawi ana i ka pale mechanical a me ka hana anti-kahiko, e hoʻolōʻihi ana i ke ola lawelawe o ka uea a me ke kaula.
Nā kahua ʻē aʻe
Nā mea pāʻani: He palupalu ka EVA, ʻaʻohe ʻawaʻawa, ʻaʻohe ʻala a me nā ʻano ʻē aʻe, hoʻohana pinepine ʻia e hana i nā mea pāʻani, e like me nā pōpō mea pāʻani a nā keiki, nā puʻupuʻu, a pēlā aku, e hōʻoia i ka palekana a me ka ʻoluʻolu o ka hoʻohana ʻana a nā keiki.
Nā mea haʻuki: Hoʻohana nui ʻia ia i nā mea haʻuki, e like me nā MATS haʻuki, nā MATS yoga, a me nā mea ʻē aʻe, nona ka palupalu a me ka elasticity e hiki ke hāʻawi i ke kākoʻo maikaʻi a me ka hopena cushioning.
Nā huahana huʻa: He māmā ke kaumaha o ka huʻa EVA, palupalu, mālama wela, pale leo a me nā waiwai ʻē aʻe, hiki ke hoʻohana ʻia e hana i nā ʻano huahana huʻa like ʻole.
25kgs/pahu, 9tons/20'pahu
25kgs/ʻeke, 20tons/20'pahu
ʻO ka copolymer Ethylene-vinyl acetate CAS 24937-78-8
ʻO ka copolymer Ethylene-vinyl acetate CAS 24937-78-8














