Cement Fireproof Barriers from Mexico
Portland cement panels for fire-rated walls and partitions in construction. Classified HTS 6810.99.00.80 as other cement articles, tested for fire resistance, not basic boards. Reinforced with fibers.
Duty Rate — Mexico → United States
10%
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
• Include UL or ASTM fire rating certifications mandatory for entry
• Specify non-asbestos fiber reinforcement
• Differentiate from Chapter 94 prefabricated buildings