1. Color: Black mostly 2. Size: flat board (300 300mm, thickness 1-25mm) Size: Reel board (width 200mm, thickness 1-25mm) Size: Rubber sheets(Thickness 1-30mm, width 500-2000mm, Length: 5-20m) 3. Tensile strength: 4 MPA or 3 MPA 4. Specific gravity: 1.5+/-0.05g/cm3 and 1.6+/- 0.05g/cm3 5. Hardness: 75+/-5 Shore A and 65+/-5 Shore A 6. Elongation: 250% 7. Surface: smooth or cloth wave. Inner: plastic film, outer: woven bag or pack according to the requirements of the customers.
