Section V — Mineral products
Subheading
252921
Containing by weight 97% or less of calcium fluoride
Common commodities
Metallurgical grade fluorspar (Metspar)Low-purity fluorite for steel productionSteel flux made from MetsparIndustrial grade low calcium fluoride fluorsparFluorspar used in ceramic manufacturingCeramic grade impure fluorspar (if under 97% purity)Metallurgical flux containing less than 97% CaF2Impure calcium fluoride fluorspar for steel industryLow-grade Metspar for steel processingFluorspar with less than 97% calcium fluoride content