Phosflex 71B Flame Retardant from Germany
Phosflex 71B is a commercial grade bis(polyoxyethylene) methylphosphonate used as a low-viscosity reactive flame retardant. It falls under HTS 3907.21.00.00 as it matches the specific polyether phosphonate structure in primary liquid form. Commonly incorporated into polyurethane foams and coatings during manufacturing.
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
• Provide manufacturer's specification confirming BPEMP content meets HTS naming criteria (95%+ by weight)
• Declare as 'primary form polyether' not finished product to prevent reclassification under Chapter 38
• Check TSCA registration for US import; non-compliant chemicals face seizure