PTFE Pre-Sintered Powder from Japan
Partially sintered polytetrafluoroethylene powder for improved green strength in molding. Remains HTS 3904.61.00 as thermal processing doesn't constitute chemical modification.
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
• Document thermal history to distinguish from fully sintered articles
• Measure crystallinity to confirm primary polymer status