Guar Gum Powder from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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