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6806.90.00/Expanded Mineral Wall Filler Compound/Japan

Expanded Mineral Wall Filler Compound from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Mix ratio documentation proving expanded mineral dominance required

• ASTM E119 fire test results support insulating classification