Chrome Tanning Agent Lignin Derivative from Japan
Chrome tanning agent lignin derivative, a specially precipitated calcium lignosulfonate from pulp mill recovery used to complex chrome salts in leather tanning. It is a chemically treated residual lye from wood pulp, classifiable under tariff item 3804.00.00.
Duty Rate — Japan → Canada
0%
Import Tips
• Confirm the product is a lignin sulphonate and not a finished tanning preparation
• Provide evidence of the precipitation process
• Ensure the product does not contain chromium compounds that could affect classification