TE-33 Polyphosphonate Primary Pellets from Japan
TE-33 grade poly(1,3-phenylene methylphosphonate) pellets designed for extrusion into flame-retardant sheets and profiles. This primary form polymer is specifically named in HTS 3911.20.00.00 due to its defined chemical structure and 95%+ monomer purity. Provides halogen-free fire resistance in thermoplastics.
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
• Submit GPC chromatograms proving molecular weight distribution consistent with PMMP; declare exact CAS number if available; beware of misclassification as 3911.90 if minor impurities exceed documentation thresholds