High-Purity Bleached Kraft Packaging Board 350 gsm
Uncoated rolls of 350 g/m² paperboard, uniformly bleached throughout with >95% chemical sulfate wood pulp fibers. Used for heavy-duty packaging components. Classified in 4804.52.00.50 as other bleached kraft paperboard exceeding 225 g/m².
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mainly straw pulp with CMT resistance
Straw-based paper ≥130 g/m² with CMT 30 >1.4 N/g/m² falls under 4805.12
If sulfite wrapping paper specs
>40% sulfite fibers, ash ≤8%, burst index ≥1.47 kPa·m²/g qualifies for 4805.30
If multi-ply kraft paperboard
Multi-ply boards, even bleached kraft, often classify under 4810 if layered construction
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Import Tips & Compliance
• Lab-test fiber content and bleaching; impurities <5% chemical fibers risk 4805 classification
• Specify roll/sheet form in entry; loose cut sheets may face Chapter 48 note scrutiny
• Avoid declaring with box-making intent to prevent premature 4819 reclass
Related Products under HTS 4804.52.00.50
Bleached Kraft Linerboard 300 gsm
Machine-finished bleached kraft paperboard in rolls, weighing 300 g/m², with over 95% chemical wood fibers uniformly bleached throughout the mass. Used primarily as the outer liner for corrugated boxes and shipping containers. Falls under HTS 4804.52.00.50 as uncoated kraft paperboard over 225 g/m², bleached uniformly with high chemical fiber content, not meeting specific kraftliner strength specs.
Bleached Chemical Wood Pulp Board 250 gsm
Uncoated paperboard in sheets from uniformly bleached chemical kraft pulp (>95% wood fibers), 250 g/m², for rigid packaging inserts. Classified under 4804.52.00.50 due to weight over 225 g/m², full-mass bleaching, and high chemical fiber purity, excluding sack kraft or fluting types.
Bleached Kraft File Folder Stock 225 gsm
Precisely 225 g/m² uncoated paperboard from uniformly bleached chemical kraft pulp (>95% fibers), in rolls for office file folder production. Fits HTS 4804.52.00.50 as other heavy bleached kraft not for sacks or fluting.
Bleached Uniform Kraft Display Board 280 gsm
280 g/m² uncoated kraft paperboard in sheets, bleached uniformly with over 95% chemical wood fibers, for point-of-sale displays. HTS 4804.52.00.50 as other heavy bleached kraft paperboard.
Uniform Bleached Kraft Backing Board 400 gsm
Heavy uncoated kraft paperboard, 400 g/m² in rolls, bleached uniformly with >95% chemical wood fibers, used as backing for displays and posters. HTS 4804.52.00.50 covers this as 'other' bleached kraft paperboard over 225 g/m² not fitting specialized subheadings.