High-Burst Folding Carton Stock 210 gsm from Canada
210 g/m² uncoated kraft paperboard with uniform bleaching and >95% chemical wood fibers, engineered for high Mullen burst in premium folding cartons. HTS 4804.42.0020 classification stems from its precise weight band and kraft purity for boxboard applications.
Duty Rate — Canada → United States
10%
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
• Test and certify Mullen strength to differentiate from linerboard
• Avoid bulk packaging confusion—invoice as 'carton stock rolls'
• Prepare for audits with pulp process affidavits