Casein Filler for Plastics from United States
Casein filler for plastics is fine-ground casein used as a biodegradable filler in plastic compounds. It is classified under 3501.10.00 as casein, as it is not a caseinate or derivative. The product enhances biodegradability and reduces plastic content in composite materials.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the casein is not compounded with plastic resins, which would shift classification to Chapter 39
• Provide a purity certificate to confirm it is unmodified casein
• Check if the filler is considered a chemical additive, which may require SDS documentation