Pressboard
Other uncoated paper and paperboard, in rolls or sheets, not further worked or processed than as specified in note 3 to this chapter: > Other: > Weighing 225 g/m² or more: > Pressboard
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 4805.93.20.00
Transformer Pressboard
High-density pressboard weighing over 225 g/m², made from compressed wood fibers, used as insulation in oil-immersed electrical transformers. It falls under HTS 4805.93.20.00 as uncoated pressboard, not further worked beyond note 3 specifications, in sheets for electrical applications.
High-Density Insulation Pressboard
Uncoated pressboard sheets >225 g/m², high density 1.25 g/cm³, for switchgear insulation and panel boards in power distribution. Fits 4805.93.20.00 as pressboard in rolls/sheets, no additional working.
Virgin Pulp Pressboard
100% virgin softwood pulp pressboard, 400 g/m² sheets for high-strength electrical applications. Classed in 4805.93.20.00 as other uncoated pressboard over specified weight.
Electrical Presspahn Board
Presspahn is a specialized pressboard from 100% sulfate wood pulp, density 1.0-1.2 g/cm³, over 225 g/m², in sheets for dielectric insulation in high-voltage equipment. Classified under 4805.93.20.00 as uncoated pressboard meeting chapter note 3, ideal for motors and generators.
Density Pressboard Grade A
Grade A density pressboard, 225-500 g/m², compressed to 1.1 g/cm³ min, uncoated sheets for battery separators and electrical insulation. HTS 4805.93.20.00 covers this as 'other' pressboard not further processed per note 3.
Sulfate Process Pressboard Sheets
Pressboard from chemical sulfate pulp, 300 g/m², machine-pressed sheets for marine electrical panels. HTS 4805.93.20.00 for other uncoated pressboard ≥225 g/m², aligning with kraft-like strength.
Battery Separator Pressboard
Specialty pressboard >225 g/m² for lead-acid battery separators, high purity sulfate pulp, uncoated. Under 4805.93.20.00 as pressboard not further worked, essential for industrial batteries.
Industrial Pressboard Panels
Heavy-duty pressboard panels 225+ g/m² for machinery insulation and formers in manufacturing. Uncoated, sheet form per HTS 4805.93.20.00 definition of pressboard.