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 30 Aluminous cement ("ciment fondu") 25 23 30 00 Aluminous cement ("ciment fondu") Commodity Code Description 25 23 30 00 000 Aluminous cement ("ciment fondu")