Andalusite-Based Refractory Gun Mix from United States
Andalusite-based refractory gun mix is a gunning refractory containing andalusite, designed for repairs in aluminum reduction cells. Its needle-like crystals enhance mullite formation, providing thermal shock resistance up to 1500°C. This product is classified under tariff item 3816.00.00 as a refractory composition other than products of heading 38.01.
Duty Rate — United States → Canada
0%
Import Tips
• Provide CBSA with the product's chemical analysis, particularly the andalusite content, to support classification under 3816.00.00
• Confirm the product is not a separate chemically defined compound, which would be excluded by Chapter note 1
• Check if the gun mix requires any import permits under Canadian chemical control regulations