Ground Barytes for Paper Coating
Precisely ground barytes used as a pigment extender and coating agent in high-quality paper production to improve opacity and print quality. HTS 2511.10.10.00 applies to this ground natural barium sulfate product.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If blended with kaolin clay
Kaolin and similar clays dominate classification if primary component.
If pre-coated paper sheets
Finished coated paper products move to Chapter 48.
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Import Tips & Compliance
• Specify brightness/whiteness values (e.g
• >90%) to confirm coating-grade processing
• Ensure no kaolin or other mineral blends that could shift to 2507
• Bulk shipment manifests should note particle size uniformity
Related Products under HTS 2511.10.10.00
Ground Barytes Powder for Drilling Mud
Finely ground natural barium sulfate (barytes) processed to a powder form suitable for use as a weighting agent in oil and gas drilling fluids. It falls under HTS 2511.10.10.00 as ground natural barium sulfate, distinguished from unground crude barytes by its pulverized state for industrial applications.
Micronized Ground Barytes Filler
Ultra-fine ground natural barytes with particle sizes under 5 microns, used as a functional filler in paints, coatings, and plastics to enhance density and abrasion resistance. Classified under HTS 2511.10.10.00 due to its origin as ground natural barium sulfate without further chemical alteration.
Ground Witherite Powder
Ground natural barium carbonate (witherite) ore, calcined or not, finely powdered for use in glass manufacturing and pyrotechnics. It qualifies under HTS 2511.10.10.00 as processed natural barium carbonate, separate from barium oxide excluded in 2816.
Ground Barytes for Rubber Compounds
High-density ground barytes powder added to rubber formulations for tire weighting and reinforcement. Falls under HTS 2511.10.10.00 as natural ground barium sulfate, valued for its inert filler properties in industrial compounding.
Superfine Ground Barytes for Pharmaceuticals
Pharmaceutical-grade ground natural barytes, purified and micronized for use as an inert excipient or radio-opaque agent in contrast media. Classified in HTS 2511.10.10.00 as ground natural barium sulfate, provided no medicinal formulation per Chapter 30 exclusion.
Calcined Ground Witherite for Ceramics
Lightly calcined and ground natural witherite providing barium source for ceramic glazes and frits. Remains under HTS 2511.10.10.00 as long as not converted to barium oxide.