Granulated Cork Dust for Insulation from United States
Finely granulated cork dust produced by grinding natural cork bark, used primarily as a lightweight thermal insulation filler in building materials and packaging. Classified under tariff item 4501.90.00 as granulated cork.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the dust is not mixed with fire retardants or other chemicals
• Provide particle size analysis for customs
• Store in moisture-proof bags to maintain quality during shipping