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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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