Chemical Pulp Kraft Box Base Stock 400 g/m² Rolls
Heavy-duty 400 g/m² bleached kraft paperboard in rolls, >95% chemical wood fibers uniformly bleached, specifically for box liner and structural packaging stock. Classed under HTS 4804.52.00.40 for its packaging base stock role, high grammage, and uncoated finish. Used in corrugated box manufacturing and rigid setups.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If fiber content includes >5% mechanical pulp
Exceeding 95% chemical fiber limit moves to 'other' bleached kraft paperboard in 4804.59.
If surface-coated for printing
Coated paperboard for packaging falls under 4811, separate from uncoated kraft base.
If <225 g/m² despite high chemical pulp
Lightweight versions stay in heading 4802 for newsprint-like kraft papers.
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Import Tips & Compliance
• Conduct pulp analysis to certify chemical process fibers; U.S
• Customs often audits >95% claims
• Declare roll width and core specs accurately; misdeclared dimensions lead to valuation disputes
• Avoid classifying cut sheets as finished if overprinted - remains base stock unless retail-ready
Related Products under HTS 4804.52.00.40
Bleached Kraft Packaging Base Stock 300 g/m²
This is a uniformly bleached kraft paperboard in rolls, weighing 300 g/m², with over 95% chemical wood fibers, designed as base stock for conversion into rigid packaging boxes. It meets HTS 4804.52.00.40 criteria due to its high weight, uniform bleaching, and high chemical pulp content, distinguishing it from lighter or unbleached kraft papers. Primarily used by converters to produce folding cartons and trays.
Bleached Kraft Carton Liner Stock 225 g/m²
Precisely 225 g/m² uncoated kraft paperboard, uniformly bleached with 97% chemical sulfate wood fibers, in rolls for carton liner applications in packaging. Qualifies for HTS 4804.52.00.40 as base stock meeting weight, bleaching, and pulp criteria. Essential for multi-wall packaging structures.
White Top Bleach Kraft Layer Base Stock 260 g/m²
260 g/m² kraft base with bleached top layer (>95% total chemical fibers), uncoated throughout for multi-layer packaging stock. HTS 4804.52.00.40 due to uniform mass bleaching interpretation and packaging designation. Used in duplex board production for boxes.
Folding Carton Bleached Kraft Base 290 g/m² Sheets
Sheets of 290 g/m² uniformly bleached kraft paperboard (>96% chemical pulp) for folding carton base stock, uncoated. Perfectly matches HTS 4804.52.00.40 for heavyweight packaging base over 225 g/m². Prepped for printing, creasing, and gluing into consumer cartons.
Uniform Bleached Kraft Tray Base Stock 250 g/m²
High-strength bleached kraft paperboard at 250 g/m², uniformly bleached with >95% chemical process wood fibers, supplied in sheets for packaging tray production. Fits HTS 4804.52.00.40 as uncoated base stock over 225 g/m² for packaging conversion. Ideal for food-safe trays and displays after printing and die-cutting.
High-Brightness Bleached Kraft Display Board Stock
280 g/m² kraft paperboard with exceptional brightness from uniform bleaching and >95% chemical pulp, in sheets for point-of-sale display packaging base. HTS 4804.52.00.40 applies due to uncoated status, high grammage, and designated packaging use pre-conversion. Provides clean white base for high-end retail displays.