Aromatic PolyDADMAC Paper Retention Aid from Germany
Polyquaternary ammonium polymer with aromatic groups (>5%) used as retention and drainage aid in paper making to improve fiber and filler retention. HTS 3809.92.10.00 classification for paper finishing with aromatic content.
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
• Charge density and molecular weight specs confirm paper retention function
• Water treatment chemical markings avoided to prevent chapter 38 confusion
• Lab analysis proving aromatic modification prevents polymer classification