Ethylene-vinyl acetate(EVA), inozivikanwawo sepoly (ethylene-vinyl acetate)(PEVA), ndiyo copolymer ye ethylene uye vinyl acetate.Huremu muzana yevinyl acetate inowanzosiyana kubva pa10 kusvika ku40%, uye yasara iri ethylene.Kune marudzi matatu akasiyana eEVA copolymer, ayo akasiyana mune vinyl acetate (VA) zvirimo uye mashandisirwo emidziyo.
EVA isina mvuramembrane imhando yemashizha anochinjika anogadzirwa kuburikidza neakatevedzana maitiro anosanganisira kuumba, kutonhora, kuyedza, kusungirira uye kurongedza, ine ethylene vinyl acetate copolymer seyakanyanya mbishi, yakasanganiswa nehuwandu hwakakodzera hwema modifiers, antioxidants, ultraviolet absorbers, colorants. , fillers, plasticizers, nezvimwewo.
EVA isina mvuramembrane inoratidzwa nekupokana kwakanakisa kwekupokana kwezvakatipoteredza kutsemuka, kusimba kwakanaka, kuramba kwemamiriro ekunze, kushomeka kwekushisa, kusimba kwakasimba, kuramba kushushikana kwekupwanya, kuchinjika, simba rakakura, diki chaiyo giravhiti, kureba kwepamusoro, kurongeka kwakaringana, hapana kusimuka, nezvimwe. inoshanda kumapako akasiyana-siyana epasi pevhu, tunnels, subways, kuvaka kwemanisipala uye mamwe ekudzivirira mvura uye seepage-proofing mabasa.
Items | |||
FS2 | JS2 | ||
Tensile Simba | Kudziya kwakajairika (23 ℃) | 60(N/cm) | 16(MPa) |
Tembiricha yepamusoro (60 ℃) | 30(N/cm) | 6(MPa) | |
Elongation panguva yekuzorora | Kudziya kwakajairika (23 ℃) | 400 | 550 |
Tembiricha yakaderera (-20 ℃) | 300 | 350 | |
kubvarura simba | 50(N) | 60(KN/m) | |
Impervious(0.3MPa,30min) | No leakage | No leakage | |
Kukotama kwakaderera | -20 ℃ Hapana mutswe | -35 ℃ Hapana mutswe |
Notes: | |||
Ukobvu | 30mil(0.8mm),40mil(1.0mm),50mil(1.2mm),60mil(1.5mm),80mil(2.0mm) Yakagadzirwa. | ||
Roll urefu | 20m | ||
Roll Width | 2m |
L ype | Fiber backing coils akakodzera kongiri base bonding masisitimu kana mechanic yekusimbisa masisitimu. | |||||
P mhando | Yakasimbiswa coil inokodzera mechanical fixed waterproof system. | |||||
H mhando | Homogeneous coil inokodzera mafashama uye yakanaka node kugadzirisa. |
Municipal anoshanda: Subway station uye subway inomhanya mugero.
Kuvaka kwakaringana, kuri nyore welding.