Xanthan Gum from Japan
Xanthan gum is a polysaccharide produced by bacterial fermentation of glucose or sucrose, used as a stabilizer in food and oil drilling fluids. It qualifies under HTS 3913.90.20 as a microbial polysaccharide derivative in primary form.
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%
Import Tips
• Fermentation origin docs distinguish from synthetic polymers in 3906
• Ensure <5% comonomer impurities per subheading note (a)(4)
• Oilfield technical grades need end-use statements to avoid general chemical classification