Diethylenetriamine (DETA) Impurity-Free TETA from Japan
High-purity triethylenetetramine specifically manufactured to minimize DETA impurities, classified under HTS 2921.29.0020. Critical for high-performance epoxy systems in aerospace composites.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Submit impurity profile showing <0.1% DETA to justify premium pricing and classification
• Include end-use statements for aerospace applications to facilitate drawback claims
• Use nitrogen-blanketed containers to prevent oxidation during ocean transit