Alum Precipitating Aid from Mexico
A polymeric coagulant aid used with papermaker's alum to enhance charge neutralization and precipitation. It improves retention and drainage, qualifying as a finishing preparation for the paper industry.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide a technical description showing the product's function as a finishing preparation for CBSA
• Ensure the product is not a separate chemically defined compound
• Keep records of the paper industry application for tariff classification