Alum Precipitating Aid from Germany
Polymeric coagulant aid used with papermaker's alum to enhance charge neutralization and precipitation. HTS 3809.92.5050 classification for paper finishing preparation improving retention and drainage. Critical for high-filler content printing papers.
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
• Pair with alum usage data in technical file; specify zeta potential reduction capability; avoid water treatment classification under 3825