Section 05 Mineral products 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 23 Portland, aluminous,slag and supersulphate cements and similar hydrauli cements 25 23 21 White cement, whether or not artificially coloured 25 23 21 00 White cement, whether or not artificially coloured Commodity Code Description 25 23 21 00 000 White cement, whether or not artificially coloured