Kaolin, calcined
CAS 92704-41-1
U.S. production volumes are classified as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Import value, 2024$26M
Top sourceBrazil 76%
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 250700 · narrow
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 250700, which covers 3 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
BR 76%BrazilGB 10%United KingdomDE 3%GermanyBG 2%BulgariaNZ 2%New Zealand
- Spain
- Canada
- Italy
- Portugal
- Hong Kong
- Cameroon
- Malaysia
- Austria
- Ireland
- Ukraine
- Japan
- Turkey
EPA-registered manufacturers (7)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Basf Se · DE Germany
Basf
Chemmasters
Imerys
Thiele Kaolin
Show all 7
Us Silica Holdings
W. R. Grace & Co. - Conn.
Domestic parents -- activity not disclosed (3)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Burgess Pigment
Exxonmobil Product Solutions, A Div Of Exxon Mobil
Sicer Usa
EPA-registered importers (17)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Azelis S A · LU Luxembourg
Basf Se · DE Germany
Huttenes Gmbh & · DE Germany
Mercedes-Benz Ag · DE Germany
Nippon Sheet Glass · JP Japan
Show all 17
Sika Ag · CH Switzerland
3M
Azelis Americas Case
Cbc America
Dupont Specialty Products Usa
Ha International
Mercedes Benz U.S
Pilkington North America
Resonac America
Sika
Target
The Sherwin Williams
Why It Matters
Sectors
EnergyElectronicsTransportationConstructionMetals & MiningPlastics & RubberConsumer ProductsPaints & CoatingsPaper & PrintingCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 18 sectors as 8 functional roles.
- •Sealant (barrier) in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Rubber Product Manufacturing (21%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Printing Ink Manufacturing (7%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Paper Manufacturing (71%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Plastics Product Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Insulators in Fabricated Metal Product Manufacturing (100%)Processing—incorporation into article
- •Hardener in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Transportation Equipment Manufacturing (100%)Processing—incorporation into article
- •Plasticizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Machinery ManufacturingProcessing—incorporation into article
- •Filler in Miscellaneous ManufacturingProcessing—incorporation into article
- •Filler in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Filler in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into article
- •Filler in ConstructionProcessing—incorporation into article
- •Filler in Wholesale and Retail TradeNot Known or Reasonably Ascertainable
- •Catalyst in Petrochemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Catalyst in All Other Chemical Product and Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Construction (2%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Rubber Product Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Pigment in Paint and Coating Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
- •Adhesion/cohesion promoter in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Processing—incorporation into formulation, mixture, or reaction product
- •Filler in Adhesive ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Catalyst in Petroleum Refineries (65%)Use—non-incorporative activities
- •Adhesion/cohesion promoter in Transportation Equipment Manufacturing (100%)Processing—incorporation into article
Chemical Identity
CAS92704-41-1
PubChem CIDNot recorded
DTXSIDDTXSID30107899
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA CompTox (DSSTox) · DTXSID30107899Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Kaolin, calcined (CAS 92704-41-1) https://chemicalindependence.com/chemical/92704-41-1/ EPA CompTox (DSSTox): DTXSID30107899. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30107899 EPA Chemical Data Reporting: 92704-41-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 92704-41-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 250700 for CAS 92704-41-1. Reporting year: 2024. https://usatrade.census.gov/