Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 69 Ceramic products 69 02 Refractory bricks,...,& similar construction goods (excl.siliceous fossil meal orearth) 69 02 20 Containing by weight more than 50% of alumina (AL2O3),of silica (SiO2) or of a ......... Commodity Code Description 69 02 20 00 Containing by weight more than 50% of alumina (AL2O3),of silica (SiO2) or of a .........
