Section 13 Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware 70 Glass and glassware 70 19 Glass fibers (including glass wool) and articles thereof (for example, yarn, rovings, woven fabrics). 70 19 61 Closed woven fabrics of roving Commodity Code Description 70 19 61 00 Closed woven fabrics of roving