Section 13 Articles of stone, plaster,cement,asbestos, mica or similar materials; ceramic products; glass and glassware 70 Glass and glassware 70 19 Glass fibres (including glass wool) and articles thereof (for example, yarn, rovings, 70 19 80 Articles of glass wool 70 19 80 20 Articles of glass wool Commodity Code Description 70 19 80 20 00 - Glass wool and articles of glass wool :