Ethylene-vinyl acetate copolymer CAS 24937-78-8
Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) imapangidwa ndi ethylene ndi vinyl acetate copolymerization mosiyanasiyana, E mu chidule cha EVA imayimira zigawo za ethylene, VA imayimira zigawo za vinyl acetate, magwiridwe ake ndi kuchuluka kwa vinyl acetate (VA) ndizogwirizana kwambiri, malinga ndi zomwe zili mu VA zosiyanasiyana zitha kugawidwa m'magulu atatu: Pulasitiki ya EVA yokhala ndi VA ya 5%-40% imagwiritsidwa ntchito kwambiri posintha polyethylene, kupanga waya ndi chingwe, filimu ndi zinthu zina zowumbidwa ndi zosakaniza; kuchuluka kwa VA mu 40%-90% kumatchedwa mphira wa EVA, makamaka kugwiritsidwa ntchito mu rabara, chingwe ndi magawo amakampani amagalimoto; kuchuluka kwa VA kopitilira 90% kumatchedwa polyvinyl acetate emulsion, makamaka kugwiritsidwa ntchito mu zomatira, zokutira ndi zina zotero.
| CHINTHU | MUYENERERO |
| Maonekedwe | Ufa woyera woyenda momasuka |
| Zokwanira (%) | ≥98.0 |
| Phulusa (%)1000℃ | 10.0-14.0 |
| Kuchuluka kwa zinthu (g/l) | 400-550 |
| Kukula kwa tinthu tating'onoting'ono (um) | Pafupifupi zaka 80 |
| PH | 5.0-8.0 |
| Kutentha kochepa kwambiri kopanga filimu °C | +4 |
Ethylene-vinyl acetate copolymer CAS 24937-78-8 (EVA) ili ndi ntchito zosiyanasiyana, izi ndi zina mwazofunikira kwambiri:
Munda woonda wa filimu
Filimu yaulimi: EVA ili ndi kuwala kowala bwino, imasunga kutentha komanso imateteza nyengo, ndipo nthawi zambiri imagwiritsidwa ntchito popanga filimu yaulimi. Imatha kusunga kutentha ndi chinyezi bwino mu greenhouse, kulimbikitsa kukula kwa mbewu, ndikuwonjezera nthawi yautumiki wa filimuyo.
Filimu yopaka: Filimu ya EVA ili ndi kusinthasintha kwabwino, mawonekedwe owonekera bwino komanso kukana kubowoka, yoyenera kupakidwa zinthu zosiyanasiyana, monga chakudya, zofunikira tsiku ndi tsiku, ndi zina zotero. Imatha kupereka chitetezo chabwino pamene ikuwonetsa mawonekedwe a chinthucho.
Malo opangira nsapato
Chopondapo: EVA ili ndi makhalidwe ofewa, otanuka bwino, opepuka, osatha kutopa, ndi zina zotero, ndiye chinthu chabwino kwambiri chopangira chopondapo. Chopondapo chopangidwa ndi EVA ndi chosavuta kuvala, chimakhala ndi mphamvu yabwino yoyamwa ma shock, ndipo chimachepetsa kutopa kwa mapazi.
Pamwamba: EVA ingagwiritsidwenso ntchito kupanga zipangizo zapamwamba, zomwe zimapangitsa kuti nsapato zikhale zofewa komanso zopepuka, zomwe zimapangitsa kuti nsapato zikhale zomasuka komanso zokongola.
Munda wothira wotentha wosungunuka
Guluu wotentha wa EVA: uli ndi ubwino wa kukhuthala kwamphamvu, kuchira mwachangu, kukana kutentha kwambiri, ndi zina zotero, womwe umagwiritsidwa ntchito kwambiri popaka, kumangirira, kupanga mipando ndi mafakitale ena. Ungagwiritsidwe ntchito pomangirira mapepala, matabwa, pulasitiki ndi zipangizo zina, ndi wosavuta kugwiritsa ntchito, ndipo ukhoza kupititsa patsogolo ntchito yopangira.
Waya ndi chingwe
Chitsulo choteteza kutentha: EVA ili ndi mphamvu yabwino yoteteza kutentha, kukana madzi komanso kukana dzimbiri chifukwa cha mankhwala, ingagwiritsidwe ntchito ngati chitsulo choteteza kutentha cha waya ndi chingwe, imatha kuteteza bwino waya ndi chingwe ku mphamvu ya chilengedwe chakunja, kuti iwonetsetse kuti mphamvu yotumizira magetsi ndi yodalirika.
Chigoba: EVA ingagwiritsidwenso ntchito kupanga chigoba cha waya ndi chingwe, kupereka chitetezo cha makina ndi magwiridwe antchito oletsa kukalamba, kukulitsa moyo wa waya ndi chingwe.
Magawo ena
Zoseweretsa: EVA ndi yofewa, yopanda poizoni, yopanda fungo komanso makhalidwe ena, yomwe nthawi zambiri imagwiritsidwa ntchito popanga zoseweretsa, monga mipira ya ana, ma puzzle, ndi zina zotero, kuti ana azitha kugwiritsa ntchito bwino komanso mosamala.
Zinthu zamasewera: Zimagwiritsidwanso ntchito kwambiri pazinthu zamasewera, monga masewero a MAKATI, yoga MAKATI, ndi zina zotero, zomwe kufewa kwake ndi kusinthasintha kwake kungapereke chithandizo chabwino komanso mphamvu yotetezera.
Zopangira thovu: Thovu la EVA lili ndi kulemera kopepuka, lofewa, limasunga kutentha, limateteza mawu ndi zinthu zina, ndipo lingagwiritsidwe ntchito popanga zinthu zosiyanasiyana za thovu.
25kgs/ng'oma, matani 9/chidebe cha 20'
25kgs/thumba, matani 20/chidebe cha 20'
Ethylene-vinyl acetate copolymer CAS 24937-78-8
Ethylene-vinyl acetate copolymer CAS 24937-78-8
