... Reservior, Canal, Storage Pit, etc; Antiseepage of Underground, Basement, Tunnel; Antiseepage of subgrade and ground work in salty soil; The ... antiseepage in plane direction of Embankment and dam, the antiseepage in tranverse direction of groundwork, Construction Cofferdam, Scrap ... /CD),% ≥4005Tear Strength(Right-angle Tear), ≥506Coefficient of the Penetration of Vapour,(g.cm/cm2.s.pa) <1.0x10 ...