</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Waterproof Filament Tape for Marine Applications from Canada

UV and saltwater resistant self-adhesive tape with HDPE backing and nylon filament reinforcement for boat repair, dock marking, and marine packaging. HTS 3919.90.50.20 covers this filament-reinforced tape designed for harsh wet environments. Maintains adhesion after prolonged submersion.

Duty Rate — Canada → United States

15.8%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Salt spray test results (ASTM B117) essential for 1000+ hour claims

Avoid reef-safe adhesive declarations without third-party certification

Coil cores must resist saltwater; specify material in invoice