Polysulfone Pellets USP Grade from Germany
USP-grade polysulfone pellets are high-purity polyethers in primary form, classified under HTS 3907.29.00.00 due to diphenyl sulfone ether linkages exceeding 95% polymer content. Applied in medical devices and food contact membranes.
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
• Include USP/EP certificates alongside polymer analysis for regulatory clearance
• Specify 'primary granules' in entry docs; extruded sheets shift to 3920.51
• Monitor dimensions if sheet-formed; US note limits free rates for 3921 small articles