Foamed Slag Aggregate from United States
Foamed slag is produced by expanding blast furnace slag with air or steam for use as lightweight concrete aggregate. It matches tariff item 6806.20.00 as a similar expanded mineral material for construction insulation.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the slag is foamed through an expansion process and not merely crushed
• Provide documentation on the source and processing of the slag
• Verify the product meets Canadian construction material standards for lightweight aggregates