Guar Gum Powder from China

Guar gum powder is a natural thickener derived from the endosperm of guar beans (Cyamopsis tetragonoloba), processed into a fine powder used in food, cosmetics, and industrial applications. It falls under HTS 1302.39.00.90 as a mucilage and thickener from vegetable products, not modified beyond basic extraction and milling. This classification covers its role as a hydrophilic colloid providing viscosity without being a pectin or agar-agar.

Duty Rate — China → United States

23.2%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• Verify purity and botanical origin documentation to confirm vegetable derivation and avoid misclassification as a modified starch

• Ensure compliance with FDA food additive regulations if for consumable use, including Certificates of Analysis for viscosity specs

• Watch for contamination risks; common pitfall is exceeding moisture limits leading to mold during transit