1)Black paper's Color: Pure black 2)Speciality: resist high temperature, color don't change 3)Grammage: 30~60g/m2 Black Paper for grinding wheel:1)Color of black paper:Pure black2)Speciality: resist high temperature, color don't change3)Grammage:30~60g/m24)Used for abrasives disk, grinding wheel, printing and packaging5)Size:Available upon customers' requirement, In sheets or in rolls