Glazier's Putty from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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