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
63.7%
Rate breakdown
9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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