Mineral Wool Pipe Sound Attenuator from Mexico
Pipe coverings incorporating mineral wool for acoustic dampening in ventilation systems. Qualifies under HTS 6806.10.00.60 for sound-absorbing mineral wool pipe articles.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include NRC (noise reduction coefficient) test data to substantiate sound-absorbing claim
• Avoid bundling with duct silencers if they qualify as Chapter 94 prefabricated building articles
• Density labeling prevents confusion with lower-density bulk fills