Ethylene-vinyl acetate(EVA), bizwi kandi nkapoly (Ethylene-vinyl acetate)(PEVA), ni copolymer ya Ethylene na vinyl acetate.Uburemere kwijana rya vinyl acetate mubusanzwe buratandukanye kuva 10 kugeza 40%, ahasigaye ni Ethylene.Hariho ubwoko butatu bwa EVA copolymer, butandukanye mubintu bya vinyl acetate (VA) nuburyo ibikoresho bikoreshwa.
EVA idafite amazimembrane ni ubwoko bwibikoresho byoroshye byakozwe binyuze murukurikirane rwibikorwa birimo gushiraho, gukonjesha, kugerageza, guhuriza hamwe no gupakira, hamwe na Ethylene vinyl acetate copolymer nkibikoresho fatizo byingenzi, bivanze ninshi mubihindura, antioxydants, imashini ya ultraviolet, amabara. , kuzuza, plasitike, nibindi.
EVA idafite amazimembrane irangwa no kurwanya cyane ibidukikije byangiza ibidukikije, ubukana bwiza, guhangana nikirere, kurwanya ubushyuhe buke, ubukana bukomeye, kurwanya ihungabana, guhinduka, imbaraga nyinshi, uburemere buke bwihariye, kuramba cyane, gushyira hamwe, nta kwimuka, nibindi. ikurikizwa mubuvumo butandukanye bwo munsi y'ubutaka, tunel, metro, ubwubatsi bwa komini nibindi bikorwa bitarinda amazi hamwe nakazi keza.
Ibintu | |||
FS2 | JS2 | ||
Imbaraga | Ubushyuhe busanzwe (23 ℃) | 60 (N / cm) | 16 (MPa) |
Ubushyuhe bwo hejuru (60 ℃) | 30 (N / cm) | 6 (MPa) | |
Kuramba mu kiruhuko | Ubushyuhe busanzwe (23 ℃) | 400 | 550 |
Ubushyuhe buke (-20 ℃) | 300 | 350 | |
Kurira imbaraga | 50 (N) | 60 (KN / m) | |
Ntibisanzwe (0.3MPa, 30min) | Nta kumeneka | Nta kumeneka | |
Ubushyuhe buke | -20 ℃ Nta gucamo | -35 ℃ Nta gucamo |
Inyandiko: | |||
Umubyimba | 30mil (0.8mm), 40mil (1.0mm), 50mil (1.2mm), 60mil (1.5mm), 80mil (2.0mm) Yabigenewe. | ||
Uburebure | 20m | ||
Ubugari | 2m |
L ype | Fibre backing coil irakwiriye kuri sisitemu zifatika zifatika cyangwa sisitemu yo gufunga imashini. | |||||
Ubwoko bwa P. | Igiceri gishimangiwe gikwiranye na sisitemu yogukoresha amazi adakoreshwa neza. | |||||
Ubwoko bwa H. | Igiceri kimwe gikwiranye numwuzure no gutunganya neza node. |
Ibikorwa bya komini: Gariyamoshi na metero ikora umuhanda.
Kubaka neza, gusudira byoroshye.