Welan Gum from Mexico
Welan gum is a microbial polysaccharide produced by fermentation of Sphingomonas species. It is used as a thickener and suspending agent in cement, oil drilling, and construction. Supplied in primary powder form, it falls under tariff item 3913.90.00 as a natural polymer.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the welan gum is in primary form and not mixed with other additives
• Provide documentation of the fermentation process
• Verify it is not classified as a chemical preparation under Chapter 38