Wet Laid Technical Board for Gaskets
Wet machine board over 225 g/m² serving as base material for manufacturing industrial gaskets and seals. Classified under HTS 4805.93.40.15 as other uncoated heavy paperboard not further worked per chapter specifications. Offers compressibility and sealability when combined with subsequent processing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If rubber content exceeds paper fibers
Rubber plate materials dominate classification in Chapter 40 over paperboard.
If kraft sack paper specifications met
Paper meeting sack kraft chemical and strength specs classifies in 4804.29.
If combined with mineral fibers
Articles of stone or similar materials with paper become Chapter 68 products.
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Import Tips & Compliance
• Certify basis weight and production method to prevent misclassification as lighter boards
• Declare as semi-finished; finished gaskets classify under 8484
• Watch for fiber content thresholds affecting chemical pulp paper subheadings
Related Products under HTS 4805.93.40.15
Wet Machine Board for Ceiling Tiles
Wet machine board is a heavy uncoated paperboard weighing over 225 g/m², produced by wet forming process, used as the base material for manufacturing acoustic ceiling tiles. It falls under HTS 4805.93.40.15 as other uncoated paperboard in rolls or sheets, not further worked, meeting the weight threshold and wet machine production method. This board provides structural support and sound absorption properties in construction applications.
Wet Laid Nonwoven Board for Filtration
Specialty wet machine board, over 225 g/m², designed for industrial air and liquid filtration media substrates. Classified in HTS 4805.93.40.15 as uncoated wet machine board not further processed beyond chapter note 3 specifications. The wet laying process creates uniform fiber distribution ideal for high-efficiency filters.
Wet Machine Battery Separator Board
High-purity wet machine board exceeding 225 g/m² used as separator material between battery electrodes. Meets HTS 4805.93.40.15 criteria for uncoated paperboard produced by wet machine process in rolls or sheets. Provides electrical insulation and electrolyte permeability essential for battery performance.
Wet Machine Board for Wall Coverings
Heavyweight wet machine board >225 g/m² used as liner or substrate for decorative wall covering materials. Falls under HTS 4805.93.40.15 as uncoated paperboard in rolls, suitable for building applications requiring moisture resistance. Provides smooth surface for vinyl or textile wallcoverings.
Wet Laid Absorbent Core Board
Wet machine board designed for absorbent cores in hygiene products, weighing more than 225 g/m² uncoated. HTS 4805.93.40.15 covers this as other heavy paperboard produced by wet process in rolls or sheets. High absorbency from specialized pulp blends for disposable applications.
Wet Machine Electrical Insulation Board
Uncoated wet machine board >225 g/m² for electrical insulation in transformers and motors. Precisely classified HTS 4805.93.40.15 as heavy other paperboard not further worked. High dielectric strength from purified wood pulp composition.