Sulfite Wrapping Paperboard 250 g/m²
Machine-glazed uncoated paperboard weighing 250 g/m², over 40% sulfite wood fibers, ash ≤8%, Mullen burst index ≥1.47 kPa·m²/g. Fits HTS 4805.93.40 as other heavy uncoated paperboard for wrapping applications. Meets chapter specs without further processing.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically meeting full sulfite wrapping paper definition at lighter weights
Exact sulfite wrapping specs have dedicated subheading 4805.30.
If semichemical fluting with hardwood fibers and CMT crush resistance
Different pulping process and test specs shift to fluting paper.
If coated and weighing ≥225 g/m²
Addition of coating reclassifies to paperboard heading 4811.
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Import Tips & Compliance
• Test and certify sulfite fiber percentage and burst index to distinguish from other pulp types
• Include ash content analysis in documentation to align with subheading note tolerances
• Ship in rolls/sheets only; cutting to size may trigger heading 4820 exclusion
Related Products under HTS 4805.93.40
Heavyweight Uncoated Kraftliner Paperboard
This is uncoated paperboard in rolls, weighing 250 g/m², with over 80% sulfate wood fibers, meeting minimum Mullen bursting strength for kraftliner exceeding 637 kPa at 200 g/m² equivalent. It falls under HTS 4805.93.40 as other uncoated paperboard weighing 225 g/m² or more, not further worked beyond chapter note 3 specs. Primarily used for high-strength packaging and box linings.
Uncoated Duplex Board 300 g/m²
Uncoated duplex paperboard in sheets, weighing 300 g/m², made from recycled and virgin fibers for multi-ply structure. Classified under HTS 4805.93.40 as other uncoated paperboard ≥225 g/m², suitable for rigid packaging like shoeboxes. Lacks coating and further working beyond basic note 3 processing.
Chipboard 350 g/m² Uncoated
Dense uncoated chipboard from recycled fibers, 350 g/m² in sheets, used for book covers and backing boards. Classifies in HTS 4805.93.40 as other uncoated paperboard weighing 225 g/m² or more, per chapter note 3.
Greyboard Uncoated 225 g/m²
Uncoated greyboard paperboard at minimum 225 g/m², made from mixed recycled waste, dull grey color, for construction and model making. HTS 4805.93.40 covers this as other heavy uncoated paperboard not specially processed.
Heavy Straw Pulp Board 260 g/m²
Uncoated paperboard from straw pulp via mechanical-chemical process, 260 g/m² rolls, for sustainable packaging. Falls under HTS 4805.93.40 as other uncoated ≥225 g/m², outside specific straw fluting note.
Industrial Backing Paperboard 400 g/m²
Thick uncoated paperboard 400 g/m² for backing in laminates and displays, mixed fiber composition. HTS 4805.93.40 as other heavy uncoated paperboard in sheets.