Features: 1) A kind of advanced waterproof material for making modified asphalt felt 2) Produced by advanced equipment and technology 3) Better tensile force, elongation and hot shrinkage 4) High strength for preventing thrust, anticorrosion and anti-aging 5) Bending function: no mark, breaking twined with the pole (R35mm) 6) Maceration function: homogeneous macerating 7) Outward appearance: homogeneous, white, no folding trace 8) Annual output (APP and SBS types):a) Compound base-cloth: 6,000,000sqmb) Polyester base-cloth: 46,000,000sqm 9) Application: widely used in flooring projects, underground bridge's surface projects,waterproof projects and antiseptic conduct of the buildings' base