Section V — Mineral products
Subheading
250830
Fireclay
Common commodities
Refractory fire-clay bricksHigh alumina fire-clay blocksPlastic fired clay cruciblesSilica-rich fire-clay tilesFire-clay kiln furnitureGround fire-clay for refractoriesAluminous fire-clay powderFurnace lining fire-clay sheetsHigh temperature fire-clay potsInsulating fire-clay slabs