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Soft Bitumen Fiberboard Soundproofing Backing from Canada

Low-density fiberboard impregnated with bitumen to dampen sound vibrations, used as backing for studio walls and machinery enclosures. Matches HTS 4411.94.0050: other fiberboard ≤0.5 g/cm³, bitumen only, no working. Enhances acoustic isolation in buildings.

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) ratings if required; document non-toxic bitumen

Pitfall: industrial vs retail end-use affecting valuation

Soft Bitumen Fiberboard Soundproofing Backing from Canada — Import Duty Rate | HTS 4411.94.00.50