Fused Mullite Grain 4-10mm from Japan
Fused mullite grain in 4-10mm, primarily alumina-based artificial corundum with silica. This product is chemically defined as a compound of alumina and silica, meeting Chapter 28 criteria for artificial corundum when alumina is the predominant component.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the alumina content exceeds 50% to qualify as artificial corundum
• Provide chemical analysis showing the mullite composition for CBSA assessment
• Note that mullite with different proportions may be classified under other headings