Soundproofing Barrier Sheet from Mexico
Mass-loaded vinyl plastic layer with polyester fleece backing, >70% plastics, >1.492 kg/m² for acoustic barriers. Man-made polyester dominates. HTS 3921.90.25.10 applies.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Sound transmission class (STC) ratings support classification and valuation
• Ensure mass per unit area certification for weight compliance
• Prevent confusion with Chapter 68 stone soundproofing by plastic content proof