| 2811.29.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Other | KGM | Free | CCCT, LDCT |
| 2811.22.00 | 20 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide - Silica gel | KGM | Free | CCCT, LDCT |
| 2811.22.00 | 90 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide - Other | KGM | Free | CCCT, LDCT |
| 2811.11.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic acids: - Hydrogen fluoride (hydrofluoric acid) | KGM | Free | CCCT, LDCT |
| 2811.19.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic acids: - Other | KGM | Free | CCCT, LDCT |
| 2811.21.00 | 00 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Carbon dioxide | KGM | Free | CCCT, LDCT |
| 2811.22.00 | | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide | KGM | Free | CCCT, LDCT |
| 2811.22.00 | 10 | Other inorganic acids and other inorganic oxygen compounds of non-metals. - Other inorganic oxygen compounds of non-metals: - Silicon dioxide - Hydrated silica | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
