High-Impact PS Foam Sheets from United States
High-impact PS foam sheets are cellular sheets made from high-impact polystyrene (HIPS) for protective packaging inserts. They fall under tariff item 3921.11.00 as cellular plates and sheets of polymers of styrene, provided the styrene monomer content is 95% or more by weight per subheading note 1(a)(1).
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the styrene monomer content is at least 95% by weight to qualify for 3921.11.00
• Import the sheets as flat, uncut sheets, not as pre-formed packaging inserts
• Provide technical specifications on the polymer composition to support classification