... hollow when impacting, and the color is humdrum. 2,easy to damp, corrupt, mildew and produce peculiar ... offices, compartments, partitions, , sideboards, furniture and laboratory table tops 2,finish of matte, abrasive, glossy, embossed 3,Solid colors ... , offices, compartments, partitions, kitchens, furniture and laboratory table tops ,great market,school.----Thickness range3mm-25mmThe normal thinckness ...