HS Code Heading 7002

7002.10.10 Glass in balls (o/than microspheres of heading 7018), unworked, n/o 6mm in diameter 7002.10.20 Glass in balls (o/than microspheres of heading 7018), unworked, over 6 mm in diameter 7002.20.10 Glass rods of fused quartz or other fused silica, unworked 7002.20.50 Glass rods (o/than of fused quartz or other fused silica), unworked 7002.31.00 Glass tubes of fused quartz or other fused silica, unworked 7002.32.00 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, unworked 7002.39.00 Glass tubes (o/than fused quartz/silica), nesoi, unworked