Sodium Metabisulfite Pickling Acidulant from China
Sodium metabisulfite generates sulfurous acid in situ for leather pickling operations, acting as an antioxidant and preparing hides for chrome tanning. It is a wholly inorganic substance classified under tariff item 3202.90.00.
Duty Rate — China → Canada
0%
Import Tips
• Document the product's use in leather pre-tanning to support classification
• Ensure the product is not mixed with organic materials
• Check if the product is subject to food-grade standards if used in other applications