Sub Headings of 7017
| 7017.10.30.00 | Quartz reactor tubes and holders designed for insertioninto diffusion and oxidation furnaces for production of semiconductor wafers |
| 7017.10.60.00 | Other |
| 7017.20.00.00 | Of 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 |
| 7017.90.10.00 | Microscope slides and micro cover glasses |
| 7017.90.50.00 | Other |