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Expanded Mineral Wall Filler Compound from Canada

Ready-mixed compound of perlite/vermiculite for fire-rated wall cavity fill. Classified under HTS 6806.90.00 as heat-insulating mineral mixtures.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Mix ratio documentation proving expanded mineral dominance required

ASTM E119 fire test results support insulating classification