| 69.03 | | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths. | | | |
| 6903.10.00 | 00 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths. - Containing by weight more than 50% of graphite or other carbon or of a mixture of these products | KGM | Free | CCCT, LDCT |
| 6903.20.00 | 00 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths. - Containing by weight more than 50% of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2) | KGM | Free | CCCT, LDCT |
| 6903.90.00 | 00 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths. - Other | - | Free | CCCT, LDCT |
| 70.02 | | Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked. | | | |
| 7002.10.00 | 00 | Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.
- Balls | KGM | Free | CCCT, LDCT |
| 7002.20.00 | 00 | Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.
- Rods | KGM | 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 |
| 7002.32.00 | 00 | Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.
- Tubes: - Of other glass having a linear coefficient of expansion not exceeding 5x10-6 per Kelvin within a temperature range of 0°C to 300°C | KGM | Free | CCCT, LDCT |
| 7002.39.00 | 00 | Glass in balls (other than microspheres of heading 70.18), rods or tubes, unworked.
- Tubes: - Other | KGM | Free | CCCT, LDCT |
| 70.11 | | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. | | | |
| 7011.90.00 | 00 | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - Other | - | Free | CCCT, LDCT |
| 7011.10.00 | | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - For electric lighting | MIL | Free | CCCT, LDCT |
| 7011.10.00 | 10 | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - For electric lighting - For electric lamp bulbs | MIL | Free | CCCT, LDCT |
| 7011.10.00 | 90 | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - For electric lighting - Other | MIL | Free | CCCT, LDCT |
| 7011.20 | | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - For cathode-ray tubes | | | |
| 7011.20.10 | 00 | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - For cathode-ray tubes - Cones (funnels) | NMB | Free | CCCT, LDCT |
| 7011.20.90 | 00 | Glass envelopes (including bulbs and tubes), open, and glass parts thereof, without fittings, for electric lamps, cathode-ray tubes or the like. - For cathode-ray tubes - Other | NMB | Free | CCCT, LDCT |
| 7307.99.00 | 91 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel: - Couplings | KGM | | |
| 7307.21.00 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other, of stainless steel: - Flanges | KGM | Free | AUT, NZT, |
| 7307.99.00 | 99 | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Other - Of alloy steel, other than stainless steel: - Other | KGM | | |
| 7307.93.00 | | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel. - Other: - Butt welding fittings | KGM | Free | CCCT, LDCT |
| 7303.00.00 | | Tubes, pipes and hollow profiles, of cast iron. | KGM | Free | CCCT, LDCT |
| 7303.00.00 | 11 | Tubes, pipes and hollow profiles, of cast iron. - Not finned, threaded or flanged: - Soil pipes | KGM | | |
| 7303.00.00 | 12 | Tubes, pipes and hollow profiles, of cast iron. - Not finned, threaded or flanged: - Pressure pipes | KGM | | |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
