Ethylene-vinyl acetate copolymer CAS 24937-78-8
Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) bụ nke ethylene na vinyl acetate copolymerization n'ụzọ dị iche iche, na E na acronym EVA na-anọchi anya ethylene components, VA na-anọchi anya vinyl acetate components, ya arụmọrụ na vinyl acetate (VA) ọdịnaya nwere ike kewara n'ime atọ dị iche iche. A na-ejikarị plastik EVA nwere ọdịnaya VA nke 5% -40% maka mgbanwe polyethylene, waya na eriri, ihe nkiri na ngwaahịa na ngwakọta ndị ọzọ kpụrụ akpụ; A na-akpọ ọdịnaya VA na 40% -90% EVA roba, nke a na-ejikarị na roba, eriri na akụkụ ụlọ ọrụ ụgbọ ala; A na-akpọ ọdịnaya VA n'elu 90% polyvinyl acetate emulsion, nke a na-ejikarị na adhesives, mkpuchi na ihe ndị ọzọ.
| ITEM | Ọkọlọtọ |
| Ọdịdị | ntụ ntụ ọcha na-eru n'efu |
| Ọdịnaya siri ike (%) | ≥98.0 |
| Ash (%) 1000 ℃ | 10.0-14.0 |
| Njupụta nnukwu (g/l) | 400-550 |
| Nkezi nha urughuru (um) | Ihe dịka 80 |
| PH | 5.0-8.0 |
| Okpomọkụ na-emepụta ihe nkiri kacha nta Celsius C | +4 |
Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) nwere ọtụtụ ngwa ngwa, ndị a bụ mpaghara ngwa ya:
Okirikiri ihe nkiri
Ihe nkiri ugbo: EVA nwere ezigbo nnyefe ọkụ, nchekwa ọkụ na iguzogide ihu igwe, a na-ejikarị eme ihe na mmepụta ihe nkiri ugbo. Ọ nwere ike ịnọgide na-enwe okpomọkụ na iru mmiri nke ọma na griin haus, kwalite uto nke ihe ọkụkụ, na ịgbatị ndụ ihe nkiri ahụ.
Ihe nkiri nkwakọ ngwaahịa: Ihe nkiri EVA nwere mgbanwe dị mma, nghọta na nkwụsị nkwụsị, dabara maka nkwakọ ngwaahịa dị iche iche, dị ka nri, ihe ndị dị mkpa kwa ụbọchị, wdg. Ọ nwere ike inye ọrụ nchebe dị mma mgbe ọ na-egosi ọdịdị ngwaahịa ahụ.
Ogige ihe akpụkpọ ụkwụ
Sole: EVA nwere njirimara nke ịdị nro, ịdị mma dị mma, ịdị arọ dị arọ, na-eguzogide ọgwụ, wdg, bụ ihe dị mma maka ịme naanị. Akpụkpọ ụkwụ nke EVA nwere ntụsara ahụ ka ọ na-eyi, na-arụ ọrụ nnabata ujo dị mma, ma nwee ike ibelata ike ọgwụgwụ ụkwụ.
N'elu: A pụkwara iji EVA mee ihe dị elu, na-enye aka dị nro na ume ume dị mma, na-eme ka akpụkpọ ụkwụ dịkwuo mma ma mara mma.
Ogige nrapado gbazee na-ekpo ọkụ
EVA na-ekpo ọkụ gbazee nrapado: nwere uru nke viscosity siri ike, ọgwụgwọ ngwa ngwa, obere okpomọkụ na-eguzogide, wdg, nke a na-ejikarị na nkwakọ ngwaahịa, njide, mmepụta ngwá ụlọ na ụlọ ọrụ ndị ọzọ. Enwere ike ijikọ akwụkwọ, osisi, plastik na ihe ndị ọzọ, dị mfe iji rụọ ọrụ, nwere ike imeziwanye mmepụta mmepụta ihe.
Oghere waya na eriri
Igwe mkpuchi mkpuchi: EVA nwere arụmọrụ mkpuchi dị mma, mgbochi mmiri na nguzogide corrosion kemịkalụ, enwere ike iji ya dị ka ihe mkpuchi mkpuchi maka waya na eriri, nwere ike chebe waya na eriri nke ọma site na mmetụta nke gburugburu mpụga, iji hụ na nchekwa na ntụkwasị obi nke nnyefe ike.
Sheath: A pụkwara iji EVA mee n'ọbọ maka waya na eriri, na-enye nchebe n'ibu na mgbochi ịka nká, na-agbatị ndụ ọrụ nke waya na eriri.
Mpaghara ndị ọzọ
Ihe eji egwuri egwu: EVA dị nro, adịghị egbu egbu, enweghị isi na njirimara ndị ọzọ, a na-ejikarị eme ihe egwuregwu ụmụaka, dị ka ihe egwuregwu ụmụaka, ihe mgbagwoju anya, wdg, iji hụ na nchekwa na nkasi obi nke iji ụmụaka eme ihe.
Ngwaahịa egwuregwu: A na-ejikwa ya n'ọtụtụ ebe na ngwa egwuregwu, dị ka egwuregwu MATS, yoga MATS, wdg, nke ịdị nro na ngbanwe ya nwere ike inye nkwado dị mma na mmechi.
Ngwaahịa ụfụfụ: EVA foam nwere ịdị arọ dị arọ, dị nro, nchekwa ọkụ, mkpuchi ụda na ihe ndị ọzọ, nwere ike iji mee ihe dị iche iche nke ụfụfụ.
25kgs / drum, 9ton / 20' akpa
25kgs / akpa, 20ton / 20' akpa
Ethylene-vinyl acetate copolymer CAS 24937-78-8
Ethylene-vinyl acetate copolymer CAS 24937-78-8
