Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 70 Glass and glassware 70 13 Glassware used for table, kitchen, toilet, office..., nes 70 13 42 Of glass having a linear coefficient of expansion not exceeding 5 x 10-6 per Kelvin w Commodity Code Description 70 13 42 00 Of glass having a linear coefficient of expansion not exceeding 5 x 10-6 per Kelvin w