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1302.39.00/Konjac Flour (Glucomannan Powder)/Japan

Konjac Flour (Glucomannan Powder) from Japan

Konjac flour, rich in glucomannan from Amorphophallus konjac tubers, is used as a dietary fiber thickener in noodles, jellies, and weight-loss products. HTS 1302.39.00 includes it as a vegetable mucilage thickener.

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

• Glucomannan purity >90% certification prevents reclass to starches

• Comply with Prop 65 labeling for California imports due to fiber content