Unbleached Kraft Linerboard 300 gsm from United States
Unbleached kraft linerboard rolls weighing 300 g/m², made from at least 80% sulfate process wood fibers. Used as the outer liner for corrugated boxes, this product meets kraftliner specifications with high Mullen bursting strength. It is classified under tariff item 4804.51.00 as unbleached kraft paperboard weighing 225 g/m² or more.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the rolls are uncoated and unbleached, and verify the weight exceeds 225 g/m²
• Keep test reports showing the Mullen bursting strength to confirm it meets kraftliner specifications if classifying under this item
• Declare the rolls as 'not converted' if they are direct outputs of a paper-making machine