HS CodesXIII · Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware70 · Glass and glassware7002700231700231Chapter 70Copy pageOf fused quartz or other fused silicaDescriptionGlass in balls (other than microspheres of heading 7018), rods or tubes, unworked : Tubes : Of fused quartz or other fused silicaWas this page helpful?YesNoPrevious700220RodsNextOf other glass having a linear coefficient of expansion not exceeding 5 × 10–6 per Kelvin within a temperature range of 0 °C to 300 °C700232