Guar Gum Powder from Mexico
Guar gum, extracted from guar beans, is a galactomannan polysaccharide used as a natural thickener in hydraulic fracturing and food. Classified in HTS 3913.90.20 as a natural polysaccharide derivative in primary powder form.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Galactomannan content analysis confirms polysaccharide status
• Differentiate native vs derivatized grades in entry docs
• Bulk shipments for industrial use must specify primary form to avoid 3505