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3913.90.20.90/Guar Gum Powder/Mexico

Guar Gum Powder from Mexico

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 — Mexico → United States

15.8%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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