Cellular Natural Rubber Acoustic Seal Profile from Canada
Foamed natural rubber profiles with labyrinthine cross-sections for soundproofing doors in recording studios. HTS 4008.19.20.00 for cellular natural rubber profile shapes per Chapter 40 definitions.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Test for sound transmission class (STC) rating to support acoustic profile claims
• Declare density and vulcanization specs to confirm primary form exclusion
• Avoid pressure-sensitive adhesive backing that creates 'articles of 4016'