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

Clear Glazing Mastic from Canada

Transparent silicone mastic for picture frame glazing, flexible. Under HTS 3214.10.00.20 glazier's mastic. For non-structural glass seals.

Duty Rate — Canada → United States

13.7%

Rate breakdown

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

Import Tips

UV stability tests for clarity claims

Small pack sizes for artisan imports

Differentiate from craft glues