Dimer acid from Germany
Dimer acids are oligomeric cyclanic polycarboxylic acids produced by clay-catalyzed dimerization of unsaturated fatty acids. Despite polymer nature, classified as chemically defined cyclanic polycarboxylic acids under HTS 2917.20.00.00 when meeting purity standards. Used in polyamide hot-melt adhesives.
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 analysis showing number-average MW <1000 Da to qualify as Chapter 29 compound
• Provide acid value and saponification value test results confirming polycarboxylic nature
• Distinguish from trimer acids which may require different statistical reporting