Mullite Powder Refractory Castable from China
Mullite powder refractory castable is a synthetic mullite-based castable designed for glass furnace regenerators. It offers alkali resistance up to 1450°C and has a 3:2 alumina-silica ratio that optimizes creep resistance. This product falls under tariff item 3816.00.00 as a refractory composition other than products of heading 38.01.
Duty Rate — China → Canada
0%
Import Tips
• Provide CBSA with the mullite content and alumina-silica ratio to justify classification under 3816.00.00
• Ensure the product is not a separate chemically defined compound, as excluded by Chapter note 1(a)
• Verify compliance with Canadian import regulations for refractory materials