Detergent Builder Sodium Tripolyphosphate Flakes from Mexico
Flaked sodium tripolyphosphate (STPP) used as a builder in powdered laundry detergents to chelate calcium and magnesium ions. This is a pure, chemically defined inorganic polyphosphate, falling squarely under tariff item 2835.31.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the product is pure sodium triphosphate without organic additives to stay in this tariff item
• Provide a safety data sheet and technical specification to the CBSA if requested
• Verify the MFN duty rate applies; if the goods originate under a free trade agreement, claim preferential treatment with a valid certificate of origin