Witherite Ore Concentrate
Concentrated natural barium carbonate (witherite) ore from flotation processing, used in pyrotechnics and specialty chemicals. HTS 2511.10.50.00 covers this 'other' form of natural witherite, calcined or not. Excludes barium oxide per heading exclusion.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
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Import Tips & Compliance
• Flotation concentrate docs required; test for carbonate vs. sulfate content; fireworks end-use may need ATF permits
Related Products under HTS 2511.10.50.00
Ground Barytes Powder
Finely ground natural barium sulfate (barytes) ore processed into powder form for industrial applications such as drilling mud additives in oil and gas exploration. Classified under HTS 2511.10.50.00 as 'other' natural barium sulfate that is not crude or insufficiently ground. It meets the definition of natural barytes, distinguished from precipitated barium sulfate in heading 2833.
Washed Barytes Ore
Natural barium sulfate ore that has been washed to remove impurities but not finely ground, used primarily as a filler in paints and plastics. Falls under HTS 2511.10.50.00 as 'other' processed natural barytes, excluding crude forms. This distinguishes it from witherite or barium oxide.
Micronized Barytes Filler
Ultra-fine micronized natural barium sulfate used as a functional filler in high-performance coatings and rubber compounds. HTS 2511.10.50.00 covers this 'other' form of processed natural barytes, separate from synthetic versions. Its natural origin and minimal chemical alteration keep it in Chapter 25.
Natural Barytes for Drilling Grade
High-specific gravity natural barium sulfate selected and sized for weighting agents in oil well drilling fluids. Classified in HTS 2511.10.50.00 as 'other' natural barytes, not crude, due to specific sizing for industrial use. Excludes any chemically modified forms.
Barytes Lump for Grinding
Lump form natural barium sulfate ore suitable for further grinding into powder, sourced from barytes deposits. Under HTS 2511.10.50.00 as 'other' since it exceeds crude size limits but remains unground. Used in manufacturing fillers and extenders.
High-Purity Barytes Powder
Premium ground natural barium sulfate with over 95% purity, used in pharmaceutical and specialty filler applications. HTS 2511.10.50.00 applies to this 'other' processed natural form, excluding synthetic high-purity grades. Its natural extraction origin is key.