Flexible Polyester Release Film from Canada
Silicone-coated flexible unsaturated polyester film used as release liner in adhesive tape manufacturing. HTS 3920.63.10.00 applies to the base flexible, noncellular unsaturated polyester sheet, with coating not constituting reinforcement per notes. Essential for composite molding and pressure-sensitive applications.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document that surface treatments (e.g
• silicone) do not qualify as 'lamination' or 'support' under heading terms
• Test for flexibility per ASTM standards if questioned by customs to confirm subheading placement