Ethylene-vinyl acetate(EVA), wotchedwansopoly (ethylene-vinyl acetate)(PEVA), ndi copolymer wa ethylene ndi vinyl acetate.Kulemera kwa vinyl acetate nthawi zambiri kumasiyana kuchokera 10 mpaka 40%, ndipo yotsalayo imakhala ethylene.Pali mitundu itatu yosiyana ya EVA copolymer, yomwe imasiyana ndi vinyl acetate (VA) ndi momwe zipangizo zimagwiritsidwira ntchito.
EVA yopanda madzinembanemba ndi mtundu wa zinthu zosinthika pepala zopangidwa kudzera munjira zingapo kuphatikiza kupanga, kuziziritsa, kuyesa, kumanga ndi kuyika, ndi ethylene vinyl acetate copolymer monga zopangira zazikulu, zosakanikirana ndi kuchuluka koyenera kwa zosintha, ma antioxidants, ma ultraviolet absorbers, colorants. , fillers, plasticizers, etc.
EVA yopanda madzinembanemba imawonetsedwa ndi kukana kwambiri kupsinjika kwa chilengedwe, kulimba kwabwino, kukana kwanyengo, kukana kutentha pang'ono, kukhazikika kolimba, kukana kupsinjika, kusinthasintha, mphamvu yayikulu, mphamvu yokoka yaying'ono, kutalika kwakukulu, kuyala bwino, kusasunthika, etc. imagwira ntchito m'mapanga osiyanasiyana apansi panthaka, ma tunnel, ma subways, zomangamanga zamatauni ndi ntchito zina zotsekereza madzi komanso zotsimikizira kuti zikuyenda.
Zinthu | |||
FS2 | JS2 | ||
Kulimba kwamakokedwe | Kutentha kwabwinobwino (23 ℃) | 60(N/cm) | 16 (MPa) |
Kutentha kwakukulu (60 ℃) | 30 (N/cm) | 6 (MPa) | |
Elongation panthawi yopuma | Kutentha kwabwinobwino (23 ℃) | 400 | 550 |
Kutentha kochepa (-20 ℃) | 300 | 350 | |
Mphamvu yamisozi | 50 (N) | 60(KN/m) | |
Zosatha (0.3MPa, 30min) | Palibe kutayikira | Palibe kutayikira | |
Kupindika kwa kutentha kochepa | -20 ℃ Palibe ming'alu | -35 ℃ Palibe ming'alu |
Ndemanga: | |||
Makulidwe | 30mil(0.8mm),40mil(1.0mm),50mil(1.2mm),60mil(1.5mm),80mil(2.0mm) Mwamakonda Anu. | ||
Kutalika kwa mpukutu | 20 m | ||
Pereka M'lifupi | 2m |
L ayi | Ma coil ochirikiza ulusi ndi oyenera kumakina a konkriti kapena makina omangira. | |||||
P mtundu | Koyilo yolimbitsa ndi yoyenera makina osakanikirana ndi madzi. | |||||
H mtundu | Homogeneous coil ndi yoyenera kusefukira kwamadzi komanso kukonza ma node abwino. |
Ntchito za Municipal: Sitima yapansi panthaka ndi njira yapansi panthaka.
Kumanga kosavuta, kuwotcherera kosavuta.