Carboxymethyl Guar Gum from China
Carboxymethyl guar gum is a chemically modified derivative of guar gum, a natural polysaccharide. The carboxymethylation enhances water solubility, making it suitable for cosmetics, oil recovery, and food applications. It is supplied in primary powder form and falls under tariff item 3913.90.00 as a modified natural polymer.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the degree of substitution and purity to ensure proper classification
• Provide a Certificate of Analysis to CBSA if requested
• Note that unmodified guar gum may fall under a different heading, so document the chemical modification process