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Fire-Resistant Slag Wool Bulk from Japan

High-density slag wool in bulk for fire-stopping applications in construction. HTS 6806.10.00.90 includes such heat-insulating mineral wools in bulk, excluding Chapter 69 ceramics.

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

Fire rating certifications (UL, ASTM E119) required for clearance

Declare melting point to substantiate fire resistance

Avoid pre-packing into cartridges, triggering article classification

Fire-Resistant Slag Wool Bulk from Japan — Import Duty Rate | HTS 6806.10.00.90