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6806.90.00/Basalt Fiber Rock Wool Roofing Board/Japan

Basalt Fiber Rock Wool Roofing Board from Japan

Rigid roofing insulation boards made from melted basalt rock fibers. Classified under HTS 6806.90.00 as other mineral wool insulating articles.

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

• Confirm basalt (not asbestos) origin with geological assay reports

• UL fire rating documentation prevents refractory misclassification

Basalt Fiber Rock Wool Roofing Board from Japan — Import Duty Rate | HTS 6806.90.00