... time and high tearing strength.Application Field:Seepage Prevention of municipal solid waste landfill, dike, dam gates, impervious ... conveyance, channel infusion, irrigation, roads, railways, tunnels, pools of drinking water, chemical solutions accumulation, sewage treatment pond, docks and ... H---≥1500Oxidative Inducement Time at 200°C,min---≥20Permeability Coefficient of Vapour(g.cm/cm2.s.pa)≤1.0× ...