| 2825.20.00 | 20 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Lithium oxide and hydroxide - Lithium hydroxide | KGM | Free | CCCT, LDCT |
| 2825.60.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Germanium oxides and zirconium dioxide | KGM | Free | CCCT, LDCT |
| 2825.70.00 | 00 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides. - Molybdenum oxides and hydroxides | KGM | Free | CCCT, LDCT |
| 28.39 | | Silicates; commercial alkali metal silicates. | | | |
| 2839.11.00 | 00 | Silicates; commercial alkali metal silicates. - Of sodium: - Sodium metasilicates | KGM | Free | CCCT, LDCT |
| 2839.19.00 | 00 | Silicates; commercial alkali metal silicates. - Of sodium: - Other | KGM | Free | CCCT, LDCT |
| 2839.90 | | Silicates; commercial alkali metal silicates. - Other | | | |
| 2839.90.10 | 00 | Silicates; commercial alkali metal silicates. - Other - Of potassium | KGM | Free | CCCT, LDCT |
| 2839.90.90 | 00 | Silicates; commercial alkali metal silicates. - Other - Other | KGM | Free | CCCT, LDCT |
| 28.41 | | Salts of oxometallic or peroxometallic acids. | | | |
| 2841.30.00 | 00 | Salts of oxometallic or peroxometallic acids. - Sodium dichromate | KGM | Free | CCCT, LDCT |
| 2841.50.00 | 00 | Salts of oxometallic or peroxometallic acids. - Other chromates and dichromates; peroxochromates | KGM | Free | CCCT, LDCT |
| 2841.61.00 | 00 | Salts of oxometallic or peroxometallic acids. - Manganites, manganates and permanganates: - Potassium permanganate | KGM | Free | CCCT, LDCT |
| 2841.69.00 | 00 | Salts of oxometallic or peroxometallic acids. - Manganites, manganates and permanganates: - Other | KGM | Free | CCCT, LDCT |
| 2841.70.00 | 00 | Salts of oxometallic or peroxometallic acids. - Molybdates | KGM | Free | CCCT, LDCT |
| 2841.80.00 | 00 | Salts of oxometallic or peroxometallic acids. - Tungstates (wolframates) | KGM | Free | CCCT, LDCT |
| 2841.90.00 | 00 | Salts of oxometallic or peroxometallic acids. - Other | KGM | Free | CCCT, LDCT |
| 28.43 | | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. | | | |
| 2843.10.00 | 00 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. - Colloidal precious metals | KGM | Free | CCCT, LDCT |
| 2843.21.00 | 00 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. - Silver compounds: - Silver nitrate | KGM | Free | CCCT, LDCT |
| 2843.29.00 | 00 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. - Silver compounds: - Other | KGM | Free | CCCT, LDCT |
| 2843.30.00 | 00 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. - Gold compounds | KGM | Free | CCCT, LDCT |
| 2843.90.00 | 00 | Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals. - Other compounds; amalgams | KGM | Free | CCCT, LDCT |
| 28.46 | | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals. | | | |
| 2846.10.00 | 00 | Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals. - Cerium compounds | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
