Basalt Rock Wool Sheet from Japan
Sheets of basalt-based rock wool, a natural mineral fiber product used for fire-resistant insulation in HVAC systems. HTS 6806.10.00 includes all similar mineral wools in sheet form.
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%
Import Tips
• Test for basalt purity; impurities may lead to reclassification
• Document as 'not worked into articles' to stay in 6806 vs 6811
• Avoid packaging that implies retail-ready, which could trigger 6811