Natural barium sulphate (barytes)
Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16. > Natural barium sulphate (barytes) > Natural barium sulphate (barytes)
Duty Rate (from China)
Products classified under Tariff item 2511.10.00
API Grade Barytes
API Grade Barytes is natural barium sulphate processed to meet American Petroleum Institute standards for oilfield drilling mud weighting, with controlled density and particle size. It falls under tariff item 2511.10.00 as a natural barium sulphate that has undergone mechanical processing (grinding, screening) without chemical alteration beyond what the chapter permits.
Barytes for Paint Extender
Barytes for Paint Extender is natural barium sulphate ground to a specific particle size for use as an extender pigment in architectural paints, improving opacity and durability. It qualifies under tariff item 2511.10.00 because it is a natural product processed only by mechanical means (grinding, classification) without chemical modification.
Barytes Lump for Grinding
Lump form natural barium sulphate ore suitable for further grinding into powder, sourced from barytes deposits. The product is in the crude state, which is covered by Chapter 25 Note 1, and has not been subjected to any processing beyond mining and sorting.
Blended Barytes-Witherite Mix
Blended Barytes-Witherite Mix is a natural mixture of barium sulphate and barium carbonate from the same deposit, ground for metallurgical flux applications. It falls under tariff item 2511.10.00 as a natural barium sulphate product, provided the mixture is not artificially blended beyond natural occurrence.
Blizzard Ground Barytes Paint Grade
Premium white ground natural barium sulphate (barytes) for architectural paints, offering superior whiteness and low oil absorption. The product is processed only by grinding, which is permitted under Chapter 25 Note 1, and is not mixed or otherwise altered beyond that.
Calcined Ground Witherite for Ceramics
Lightly calcined and ground natural witherite (barium carbonate) for ceramic glazes and frits. The calcination is not to barium oxide, so it remains under heading 25.11, and the product is not subjected to processing beyond that allowed by Chapter 25 Note 1.
Calcined Witherite Powder
Calcined Witherite Powder is natural barium carbonate ore that has been calcined to remove impurities and ground into powder for glass manufacturing and chemical feedstock. It falls under tariff item 2511.10.00 because chapter note 1 permits calcination for witherite, and the product remains a natural mineral.
Fine Barytes for Plastics
Fine Barytes for Plastics is ultra-fine natural ground barium sulphate used as a filler in PVC and polymer plastics to improve rigidity and weather resistance. It is classified under tariff item 2511.10.00 as a natural barium sulphate that has been mechanically ground and classified, without chemical treatment.
Ground Barytes for Paper Coating
Precisely ground barytes used as a pigment extender and coating agent in high-quality paper production. The product is natural barium sulphate processed only by grinding, which is permitted under Chapter 25 Note 1, and is not mixed or chemically treated.
Ground Barytes for Pyrotechnics
Finely ground natural barytes used as an oxidizer and density modifier in fireworks and signal flares. The product is natural barium sulphate processed only by grinding, which is permitted under Chapter 25 Note 1, and is not mixed with other chemicals.
Ground Barytes for Radiation Shielding
High-purity ground barytes powder incorporated into concrete and plastics for X-ray and gamma shielding due to barium's high atomic number. The product is natural barium sulphate processed only by grinding, which is permitted under Chapter 25 Note 1, and is not mixed or chemically treated.
Ground Barytes for Rubber Compounds
High-density ground barytes powder added to rubber formulations for tire weighting and reinforcement. The product is natural barium sulphate processed only by grinding, which is permitted under Chapter 25 Note 1, and is not mixed with rubber or other compounds.
Ground Barytes Powder
Ground Barytes Powder is finely ground natural barium sulphate ore processed into powder for industrial applications such as drilling mud additives in oil and gas exploration. It falls under tariff item 2511.10.00 as a natural product processed only by mechanical grinding, which is permitted by chapter note 1.
Ground Barytes Powder for Drilling Mud
Finely ground natural barium sulphate (barytes) processed to a powder form suitable for use as a weighting agent in oil and gas drilling fluids. The product is processed only by grinding and sieving, which is allowed under Chapter 25 Note 1, and is not mixed with any additives.
Ground Witherite Powder
Ground natural barium carbonate (witherite) ore, calcined or not, finely powdered for use in glass manufacturing and pyrotechnics. The product is processed only by grinding and possibly calcination, which is permitted under Chapter 25 Note 1, and is not converted to barium oxide.
High-Purity Barytes Powder
High-Purity Barytes Powder is premium ground natural barium sulphate with over 95% purity, used in pharmaceutical and specialty filler applications. It is classified under tariff item 2511.10.00 because it is a natural mineral processed by grinding and classification, even at high purity, without chemical synthesis.
Micronized Barytes Filler
Micronized Barytes Filler is ultra-fine micronized natural barium sulphate used as a functional filler in high-performance coatings and rubber compounds. It falls under tariff item 2511.10.00 as a natural barium sulphate processed by mechanical micronization, which is within the processing limits of chapter note 1.
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. The product is processed only by grinding and classification, which is permitted under Chapter 25 Note 1, and is not mixed or chemically treated.
Natural Barytes for Ceramics
Natural Barytes for Ceramics is ground natural barium sulphate used as an opacifier and flux in ceramic glazes and bodies. It is classified under tariff item 2511.10.00 as a natural mineral processed by grinding, without calcination or chemical treatment, consistent with chapter note 1.
Natural Barytes for Drilling Grade
Natural Barytes for Drilling Grade is high-specific gravity natural barium sulphate selected and sized for weighting agents in oil well drilling fluids. It falls under tariff item 2511.10.00 as a natural barium sulphate processed by mechanical selection and sizing, which is permitted by chapter note 1.
Natural Barytes for Rubber Filler
Natural Barytes for Rubber Filler is coarse ground natural barium sulphate used as a reinforcing filler in tire and rubber compounds to enhance mechanical properties. It is classified under tariff item 2511.10.00 as a natural barium sulphate processed by mechanical grinding, without chemical modification, per chapter note 1.
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. The product is natural barium sulphate processed only by grinding and purification (washing), which is permitted under Chapter 25 Note 1, and is not mixed with any pharmaceutical ingredients.
Washed Barytes Ore
Natural barium sulphate ore that has been washed to remove impurities but not finely ground, used primarily as a filler in paints and plastics. The product is processed only by washing, which is permitted under Chapter 25 Note 1, and is not subjected to any further processing.
Witherite for Strontium Production
Natural barium carbonate (witherite) selected for reduction to barium metal or strontium compounds in chemical synthesis. The product is in the crude state or processed only by mechanical means, which is permitted under Chapter 25 Note 1, and is not calcined to barium oxide.
Witherite Ore Concentrate
Concentrated natural barium carbonate (witherite) ore from flotation processing, used in pyrotechnics and specialty chemicals. The product is processed by flotation, which is permitted under Chapter 25 Note 1, and is not calcined to barium oxide or mixed with other substances.