Polyester- glass Compound mat for making changed SBS waterproof material, and for waterproof in the underground , building roof 1.) The Glass fibre combination non woven is made on the base of the non woven by compositing some density glass fibre, through high temperature, stoving, finalizing the design. It is a kind of reinforcement combination material.2.) Weight: 80g/m2, 90g/m2, 110g/m2, 120g/ ...