HVAC Rock Wool Duct Insulation from Mexico
Flexible rock wool rolls for lining HVAC ducts to reduce noise and energy loss. HTS 6806.10.00.90 for sound/heat-insulating mineral wools in rolls, not parts of Chapter 94.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify duct compatibility and erosion resistance specs
• No internal wire grid, or reclassifies as fabricated
• Customs may require HVAC end-use declaration