From deep in the mountainto a thousand industries.
Two mines of our own and one integrated processing chain. Each year we can produce 60,000 tonnes of fluorspar powder and 12,000 tonnes of lumps, shipped from Guangchang to chemical plants, steel mills, glass-fibre and ceramics makers.
Watch the 3-minute filmFounded in 2005 in Guangchang, Jiangxi, Dean Industrial mines its own ore, processes it in its own plant and tests it in its own laboratory. From vein to bulk bag, every step stays in our hands.
- Founded
- 2005
- Site area
- 56,000m²
- Employees
- ≈300
- Mines of our own
- 2
- Powder per year
- 60,000t
- Lumps per year
- 12,000t
Fluorescenceis named after this stone.
In 1852 the physicist George Gabriel Stokes named a strange kind of glow after fluorite: fluorescence. Many fluorites shine blue under ultraviolet light.
Its Latin name comes from fluere, “to flow”: add it to a furnace and the slag runs freely. That is still its job in steelmaking today.
Move the cursor to switch on the UV lampTouch and drag to switch on the UV lamp
Two mines of our own,where quality and supply begin.
Together the two mines yield about 120,000 tonnes of ore a year — all of it fed to our own plant.
Visit the mines
How a lump of rockbecomes a bag of fluorspar.
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Adit mining at our Minfeng and Dazhu mines, with rail haulage and load-haul-dump loaders underground.
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Ore is trucked to the plant, jaw-crushed and screened before sorting.
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Intelligent optical sorters have replaced hand-picking. High-grade lumps go straight out as lump fluorspar; barren rock is sold as construction aggregate.
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The remaining ore is ground, classified and floated — one rougher, three scavengers — to concentrates of up to 98% CaF₂.
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Filter presses and vacuum disc filters dewater the concentrate; the drying hall air-dries it and the drying line turns out dried concentrate.
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Every lot is assayed in our own laboratory, packed in bulk bags and shipped.
Every lot leaveswith an assay report.
Our own laboratory tests every lot for CaF2, SiO2, sulphur and phosphorus. The contract and the assay report set the binding values.
| CaF2Calcium fluoride | ≥ 98% |
|---|---|
| SiO2Silica | ≤ 0.5% |
| SSulphur | ≤ 0.0015% |
| PPhosphorus | ≤ 0.0016% |
Three minutes inside Dean.
03:02 · Chinese & English subtitles
Where doesfluorspar go?
Fluorspar — calcium fluoride — is the starting point of the fluorochemical industry and an indispensable flux for metallurgy and building materials.
- 01HF
Chemicals
Acid-grade fluorspar is the base raw material for hydrofluoric acid and the whole family of fluorochemicals.
Our gradesDried concentrateWet concentrate
- 02Flux
Steelmaking
A flux in steelmaking: it lowers the melting point of slag, improves its fluidity and helps remove sulphur and phosphorus.
Our gradesFluorspar lumpsDry-ground powder
- 03GF
Glass fibre
As a flux it lowers melting temperatures and raises furnace efficiency.
Our gradesDry-ground powder
- 04Glaze
Ceramics
Used in glazes and bodies as a flux and opacifier.
Our gradesDry-ground powder
- 05Slag
Welding
A slag former in electrode coatings that improves welding performance.
Our gradesDry-ground powder
- 06Opal
Glass
A flux and opacifier for opal glass, optical glass and more.
Our gradesDry-ground powder
Recognised by the industry,committed to the community.
Looking for a steady,long-term fluorspar supplier?
Visit our plant, ask for samples or request a quote. Please call ahead to arrange a visit.
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