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