Fire-Resistant Slag Wool Bulk from Mexico
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 — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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