Glass and glassware

Glass in the mass of fused quartz or other fused silicaOf fused quartz or other fused silica (Glass in the mass:)

Glass in the mass (other than of fused quartz or other fused silica)Other (Glass in the mass:)

Cullet and other waste and scrap of glassOther (Cullet and other waste and scrap of glass, excluding glass from cathode-ray tubes or other activated glass of heading 8549; glass in the mass:)

Glass in balls (o/than microspheres of heading 7018), unworked, n/o 6mm in diameterNot over 6 mm in diameter (Balls:)

Glass in balls (o/than microspheres of heading 7018), unworked, over 6 mm in diameterOther (Balls:)

Glass rods of fused quartz or other fused silica, unworkedOf fused quartz or other fused silica (Rods:)

Glass rods (o/than of fused quartz or other fused silica), unworkedOther (Rods:)

Glass tubes of fused quartz or other fused silica, unworkedOf fused quartz or other fused silica (Tubes:)

Glass tubes (o/than fused quartz/silica), w/linear coefficient of expansion n/o 5x10-6 per Kelvin in range of 0-300 degrees C, unworkedOf other glass having a linear coefficient of expansion not exceeding 5 x 10^-6 per Kelvin within a temperature range of 0˚C to 300˚C (Tubes:)

Glass tubes (o/than fused quartz/silica), nesoi, unworkedOf a length not exceeding 200 mm (Other)