| 25.06 | | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape. | | | |
| 2506.10.00 | 00 | Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape. | TNE | Free | CCCT, LDCT |
| 2506.20.00 | 00 | Quartzite: - Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape. | TNE | Free | CCCT, LDCT |
| 7002.31.00 | 00 | Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.
- Tubes: - Of fused quartz or other fused silica | KGM | Free | CCCT, LDCT |
| 7017.10.00 | 00 | Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated. - Of fused quartz or other fused silica | - | Free | CCCT, LDCT |
| 7104.10.00 | 00 | Synthetic or reconstructed precious or semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport. - Piezo-electric quartz | - | Free | CCCT, LDCT |
| 8539.21.00 | 11 | Electric filament or discharge lamps, including sealed beam lamp units and ultra-violet or infra-red lamps; arc-lamps. - Other filament lamps, excluding ultra-violet or infra-red lamps: - Tungsten halogen - With quartz containers: - For a voltage not exceeding 100 V | NMB | 7.5% | CCCT, LDCT |
| 8539.21.00 | 12 | Electric filament or discharge lamps, including sealed beam lamp units and ultra-violet or infra-red lamps; arc-lamps. - Other filament lamps, excluding ultra-violet or infra-red lamps: - Tungsten halogen - With quartz containers: - For a voltage exceeding 100 V | NMB | 7.5% | CCCT, LDCT |
| 8541.60.00 | 10 | Diodes, transistors and similar semiconductor devices; photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light emitting diodes; mounted piezo-electric crystals. - Mounted piezo-electric crystals - Quartz, designed for operating frequencies not exceeding 20 MHz | NMB | Free | CCCT, LDCT |
| 8541.60.00 | 20 | Diodes, transistors and similar semiconductor devices; photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light emitting diodes; mounted piezo-electric crystals. - Mounted piezo-electric crystals - Quartz, designed for operating frequencies exceeding 20 MHz | NMB | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
