Vermiculite Fireproof Board from Mexico
Compressed exfoliated vermiculite boards for fire-rated enclosures and safes, offering high-temperature insulation. Under HTS 6806.90.00.90 as a mixture/article of heat-insulating mineral materials.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• UL fire rating docs essential for substantiating non-refractory status
• Declare binder content (<30% organic) to stay out of Chapter 38