HS CodesXIII · Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware70 · Glass and glassware7002700239700239Chapter 70Copy pageOtherDescriptionGlass in balls (other than microspheres of heading 7018), rods or tubes, unworked : Tubes : OtherWas this page helpful?YesNoPrevious700232Of other glass having a linear coefficient of expansion not exceeding 5 × 10–6 per Kelvin within a temperature range of 0 °C to 300 °CNextColoured throughout the mass (body tinted), opacified, flashed or having an absorbent, reflecting or non-reflecting layer700312