... ) Grain: silicon carbide3) Belts: 1,350mm x 2,850mm, only for wide belts, correct operation will make the high grinding effectiveness4 ... roll: 1,400mm wide by 50 meters long7) Chiefly used for polishing mid-board, plywood, fiber wood, and shaving boards in large ... square meters8) For machinery use, with strong strength, it would be worked under ...