Fluorspar 97% CaF₂ — Acid Grade for HF, Smelting & Steel Flux

Product overview

Fluorspar (natural calcium fluoride, CaF₂) is the primary feedstock for hydrofluoric acid and the wider fluorochemical chain — refrigerants, fluoropolymers, aluminium fluoride and lithium hexafluorophosphate for battery electrolytes. Acid-grade material at 97% CaF₂ with controlled silica and carbonate impurities is what HF reactors and dry-fluorination units specify; lower-purity met-grade serves steel slag fluidizing and basic flux blends where assay tolerance is wider.

In primary aluminium, fluorspar-derived AlF₃ maintains electrolytic bath chemistry and lowers liquidus temperature in prebake cells across the Gulf and South Asia. Steelmakers add fluorspar lump to basic oxygen furnace and electric-arc slags to improve fluidity and sulfur removal. Ceramic and glass manufacturers use selected grades as a flux to lower melting points in enamel and opal glass batches. Purple-green to colourless lump appearance reflects vein mineralogy; export lots are crushed and screened at mine load-out before bulk or bagged dispatch.

Material is sourced from vein and stratiform deposits in Central Asia and MENA, with inline XRF screening on composite samples before stockpiling. Typical buyers include HF and fluoride chemical producers on quarterly contracts, aluminium smelters bridging AlF₃ supply gaps, integrated steel mills stocking flux ahead of melt campaigns, and traders covering CFR parcels into India and Turkey. HS code 2529.21. MOQ from 500 MT on FOB, CFR or CIF terms.

Full specification

Loading ports & logistics

Fluorspar is a dense, non-hygroscopic mineral — dust control at crushing and covered conveyors at load-out protect cargo quality. We coordinate three principal delivery modes depending on parcel size and receiver equipment.

10–100 mm lump in bulk vessel holds suits industrial contracts above 3,000 MT on long-haul routes to HF plants, smelters and steel mills with grab-unload jetties. FOB loading at exporter-nominated berth with draft survey; stowage factor typically 0.55–0.65 m³/t. Handysize and supramax carriers are standard on Black Sea and MENA export corridors.

1-tonne jumbo bags on flat-rack containers hold approximately 22–24 MT net per FEU and suit fluoride chemical plants and mid-size smelters with bag-breaking stations. Ideal for parcels of 500–2,000 MT assembled from multiple container loads on FOB origins.

25 kg woven polypropylene sacks in 20-foot containers handle smaller trial lots and multi-destination groupage where receiver silo capacity is limited. CFR and CIF quotes include marine insurance and discharge-equipment compatibility check. Typical lead time 12–25 days from contract execution to loading window.

Packaging & documentation

Cargo ships as screened lump in bulk vessel holds, 1-tonne polypropylene jumbo bags (four-loop, UV-stabilized), or 25 kg sacks palletized in containers — bulk lump is standard for vessel parcels above 1,000 MT. Each lot is accompanied by a mine certificate of analysis showing CaF₂, SiO₂, CaCO₃, sulfur and moisture, safety data sheet (SDS) per GHS, commercial invoice, packing list, bill of lading and certificate of origin.

CaF₂ content is confirmed by XRF on dried composite samples, with size distribution verified by sieve analysis on the loading sample. Third-party inspection (SGS, Bureau Veritas or equivalent) at mine stockpile and load-out can be arranged on buyer request. For bulk vessel parcels, hold cleanliness certificate and loading moisture record are included in the shipping instructions package.

FAQ

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