Sulfate Process Bleached Packaging Grade Stock 350 g/m²
350 g/m² uncoated paperboard from sulfate chemical process (>98% fibers), uniformly bleached for premium packaging base stock in rolls. Meets all HTS 4804.52.00.40 parameters for weight, pulp origin, and uncoated kraft intended for box/tray lamination. High stiffness for structural packaging.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sulfite process >40% with wrapping specs
Sulfite wrapping paper has distinct chemical process and burst index criteria.
If paperboard ≤225 g/m²
Weight threshold drops it to lighter coated/uncoated paperboard headings.
If primarily mechanical pulp newsprint base
Mechanical wood pulp dominance excludes kraft chemical fiber classification.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Specify sulfate vs soda process in docs; both qualify but detail aids fiber audits
• Declare as 'converter stock' vs finished goods to stay in 4804
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.
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.
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.