EVA abu ne na filastik wanda ya ƙunshi ethylene (E) da vinyl acetate (VA). Ana iya daidaita rabon waɗannan sinadarai guda biyu don biyan buƙatun aikace-aikace daban-daban. Mafi girman abun ciki na vinyl acetate (abun VA), mafi girman bayyanarsa, taushi da tauri zai kasance.
Halayen EVA da PEVA sune:
1. Biodegradable: Ba zai cutar da muhalli ba idan an jefar da shi ko aka ƙone shi.
2. Kama da farashin PVC: EVA ya fi tsada fiye da PVC mai guba, amma mai rahusa fiye da PVC ba tare da phthalates ba.
3. Hasken nauyi: Yawan adadin Eva ya fito daga 0.91 zuwa 0.93, yayin da na PVC shine 1.32.
4. Marasa wari: Eva ba ya ƙunshi ammonia ko wasu ƙamshin halitta.
5. Ƙarfe mai nauyi: Ya dace da ƙa'idodin wasan yara na duniya masu dacewa (EN-71 Part 3 da ASTM-F963).
6. Phthalates-free: Ya dace da kayan wasan yara kuma ba zai haifar da haɗarin sakin filastik ba.
7. Babban nuna gaskiya, taushi da tauri: kewayon aikace-aikacen yana da faɗi sosai.
8. Super low zafin jiki juriya (-70C): dace da icing yanayi.
9. Juriya na ruwa, gishiri da sauran abubuwa: na iya zama barga a cikin babban adadin aikace-aikace.
10. High zafi mannewa: za a iya da tabbaci a haɗe zuwa nailan, polyester, zane da sauran yadudduka.
11. Low lamination zafin jiki: iya bugun sama samar.
12. Za'a iya buga allo da buga bugu: ana iya amfani dashi don ƙarin samfuran zato (amma dole ne a yi amfani da tawada EVA).
EVA lining, kamar yadda sunan ke nunawa, wani samfuri ne da aka sanya a cikin wannan akwatin EVA, sannan ana buƙatar fakiti a waje, kuma ana sanya murfin EVA a cikin wannan fakitin. Wannan kunshin na iya zama akwatin ƙarfe na ƙarfe, ko akwatin farin kwali ko kwali.
Rarraba abubuwa na rufin marufi na EVA
Rufin marufi na EVA an raba shi zuwa abubuwa masu zuwa:
1. Ƙananan yawa, ƙananan ƙarancin muhalli EVA, baki, fari da launi.
2. Maɗaukaki mai girma, haɓakar haɓakar muhalli EVA, baki, fari da launi.
3. EVA rufaffiyar tantanin halitta digiri 28, digiri 33, digiri 38, digiri 42.
4. Eva buɗaɗɗen tantanin halitta digiri 25, digiri 38
Lokacin aikawa: Oktoba-16-2024