Glazier's Putty from Canada
Glazier's putty is a traditional linseed oil-based mastic used to secure glass panes in window frames. It hardens over time to form a weatherproof seal, falling under HTS 3214.10.00 as a specific type of glazier's putty for glazing applications.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify composition to ensure it meets nonrefractory mastic definitions; provide lab analysis if bitumen content exceeds limits
• Include safety data sheets (SDS) for VOC content to comply with EPA import regulations
• Label containers clearly with 'glazier's putty' to prevent reclassification as general caulking