Kraft Paper Backed Heat Shrink Tubing from Canada
Polyolefin heat-shrink tubing with kraft paper liner for electrical insulation applications. Paper prevents tubing from shrinking onto mandrels during storage and handling. Classified under HTS 3921.90.40.10 as flexible plastic tubing/sheet reinforced with paper.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide shrink ratio and recovery temperature specs confirming plastic film properties
• Include technical datasheets showing paper liner's functional reinforcement role
• Distinguish from unreinforced tubing (3917) by emphasizing paper component in docs