TE-33 Polyphosphonate Primary Pellets from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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