| 3816.00.00 | | Refractory cements, mortars, concretes and similar compositions, other than products of heading 38.01. | KGM | Free | CCCT, LDCT |
| 3816.00.00 | 90 | Refractory cements, mortars, concretes and similar compositions, other than products of heading 38.01.
- Other | KGM | Free | CCCT, LDCT |
| 3816.00.00 | 20 | Refractory cements, mortars, concretes and similar compositions, other than products of heading 38.01.
- Castables | KGM | Free | CCCT, LDCT |
| 3816.00.00 | 30 | Refractory cements, mortars, concretes and similar compositions, other than products of heading 38.01.
- "Plastics" or ramming mixes | KGM | Free | CCCT, LDCT |
| 3816.00.00 | 40 | Refractory cements, mortars, concretes and similar compositions, other than products of heading 38.01.
- Mortars, cements and trowelling mixes | KGM | Free | CCCT, LDCT |
| 3816.00.00 | 10 | Refractory cements, mortars, concretes and similar compositions, other than products of heading 38.01.
- Preparations of refractory materials and calcined gypsum, whether or not containing other materials, for use in the manufacture of moulds for nonferrous metal investment castings; Refractory concrete, for use in the manufacture of moulds and other parts for the aluminum and foundry industries | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
