Ground Cork Powder for Gaskets

Ultra-fine ground cork powder derived from crushed cork, serving as a compressible filler in manufacturing industrial gaskets and seals. HTS 4501.90.40.00 applies to this ground form of natural cork, prepared solely by mechanical processing without binders.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4501.90Same rate: 35%

If not specifically granulated or ground

Other simply prepared cork without specified processing falls here.

4004.00.00Same rate: 35%

If blended with rubber for seals

Synthetic rubber composites with cork fillers are classified by predominant rubber material.

4503.90Lower: 24% vs 35%

If for cork regranules from waste

Regenerated cork from processing waste uses different preparation methods.

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

• Include mesh size specifications in invoices to distinguish powder from granules

• Check for contamination with non-cork materials to prevent reclassification as waste

• Use ISPM 15 compliant pallets for shipping to meet international wood packaging standards

Related Products under HTS 4501.90.40.00

Granulated Cork Dust for Insulation

Finely granulated cork dust produced by grinding natural cork bark, used primarily as a lightweight thermal insulation filler in building materials and packaging. Classified under HTS 4501.90.40.00 as granulated cork, distinct from raw cork or waste, specifically prepared through crushing and grinding processes.

Crushed Cork Granules for Flooring Underlay

Medium-sized crushed and granulated cork particles used as an acoustic and thermal underlay beneath laminate flooring. This product is classified under HTS 4501.90.40.00 for its form as crushed, granulated, or ground natural cork, prior to any agglomeration.

Granulated Cork for Wine Bottle Stoppers

Granulated cork obtained by grinding select quality cork bark, used as raw material for technical wine stopper production through agglomeration. HTS 4501.90.40.00 specifically covers this granulated form before further processing into shaped stoppers.

Ground Cork Filler for Shoe Soles

Finely ground cork used as a lightweight filler material in EVA or rubber shoe sole compounds, providing cushioning properties. This bulk ground cork is classified under HTS 4501.90.40.00 as simply prepared granulated or ground cork.

Crushed Cork for Industrial Absorbents

Coarsely crushed and granulated cork used in spill cleanup kits for absorbing oils and chemicals in industrial settings. HTS 4501.90.40.00 covers this processed form of natural cork prepared by crushing and granulation.

Granulated Cork for Craft Supplies

Small-particle granulated cork sold in bulk for arts, crafts, and model-making applications like scenery filler and texture material. This product falls under HTS 4501.90.40.00 as crushed or granulated natural cork.