Section 05 Mineral products 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 18 Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or 25 18 30 Dolomite ramming mix 25 18 30 00 Dolomite ramming mix Commodity Code Description 25 18 30 00 000 Dolomite ramming mix