Mineral Wool Pipe Sound Attenuator from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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