Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earth and stone; plastering materials lime and cement. 25 18 DOLOMITE; DOLOMITE ROUGHLY TRIMMED OR MERELY CUT; AGGLOMERETED DOLOMITE Commodity Code Description 25 18 10 Dolomite not calcined or sintered 25 18 20 Calcined or sintered dolomite 25 18 30 Dolomite ramming mix