From Chapter 70: Chapter 70
| HTS Code | Description | General Duty |
|---|---|---|
| 7020003000 | Other articles of glass Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor wafers | Free |
| 7020004000 | Other articles of glass Glass inners for vacuum flasks or for other vacuum vessels | 6.6% |
| 7020006000 | Other articles of glass Other | 5% |