It is excellent in tensile strength, corrosion resisting, aging resistance, high-temperature resistance, heat endurance. 1Product: Ployester Felt2Color :white and green3With:1-2M4Material: 100% Polyester5Weight: 120g/m2--200g/m26Technics: Needle-punched Polyester mat Which widely used in roofing projects, underground engineering, bridge engineering, water tanks waterproof, Moisture resistance