Silicone-Based Glazier's Putty from Japan
A mastic compound used by glaziers to seal glass panes in window frames, providing waterproofing and adhesion. It falls under HTS 3214.10.00.20 as a glazier's putty, a non-refractory mastic for sealing purposes. This product is distinct from bituminous mastics excluded by chapter notes.
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 qualifies as non-bituminous mastic, avoiding exclusion under chapter note (c)
• Provide safety data sheets (SDS) for VOC content to comply with EPA import regulations
• Label containers with curing time and application temperature to prevent customs reclassification as paint