GDL 99% Min. Technical Grade from Canada
Technical grade glucono-δ-lactone with 99% minimum purity for industrial applications, under HTS 2932.20.50.20. Used in polymer production and metal surface treatment requiring controlled acidity. Qualifies as separate chemically defined compound per Chapter 29 note (a).
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify 'technical grade' vs 'food grade' on invoice; affects EPA/FDA import channels
• TSCA certification required for chemical substances entering US commerce
• Heavy metal specs (<10 ppm total) even for technical grade due to eventual food chain risks