Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 23 Portland cement, aluminous cement, slag cement, supersulphate cement and similar 25 23 10 25 23 10 00 Commodity Code Description 25 23 10 00 00 - Cement clinkers 25 23 21 00 00 -- White cement, whether or not artificially coloured 25 23 29 00 00 -- Other 25 23 30 00 00 - Aluminous cement 25 23 90 00 00 - Other hydraulic cements