Guar Gum Powder from Canada
Guar gum, derived from guar beans, is a galactomannan polysaccharide used in food, fracking, and textiles. HTS 3913.90.20.90 covers it as a primary form powder of polysaccharide derivatives. Classification relies on its natural plant origin and lack of further specification.
Duty Rate — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Test for galactomannan content >95% to meet polymer predominance rules in subheading notes
• Document as 'native guar gum' not 'modified' if partially hydrolyzed