Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 70 Glass and glassware 70 04 Drawn/blown glass, in sheets, not otherwise worked 70 04 90 Unworked drawn/blown glass (excl. coloured, opacified, etc) Commodity Code Description 70 04 90 00 Unworked drawn/blown glass (excl. coloured, opacified, etc) 70 04 90 10 Optical glass, not optically worked 70 04 90 20 Other, in squares or rectangular shape, whether or not one or more corners ha 70 04 90 90 Other
