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Alumina Calcined

CAS NO: 1344-28-1

Alumina affects the processes of producing iron and steel during the production of iron and steel. Besides, alumina is a very important refractory material for the lining of furnaces and vessels in iron and steel plants.

Aluminum Fluoride

CAS NO: 7784-18-1

Aluminum Fluoride is an odourless, white, crystalline (sand-like) powder. It is used in the production of Aluminum, as a flux in welding applications.

Aluminium fluoride is an important additive used in the production of aluminium by electrolysis. Together with cryolite, it lowers the melting point to below 1000 °C and increases the conductivity of the solution. It is into this molten salt that aluminium oxide is dissolved and then electrolyzed to give bulk Al metal.

Barium Carbonate

CAS NO: 513-77-9

It is mainly used to remove sulphate impurities from feedstock of the chlor-alkali process. Otherwise, it is a common precursor to barium-containing compounds such as ferrites.

Barium Chloride

CAS NO: 10326-27-9

In industry barium chloride is used in the manufacture of heat treatment salts and  case hardening of steel, in the manufacture of pigments, and in the manufacture of other barium salts.

Barium Sulphate

CAS NO: 7727-43-7

As barium sulphate has a high melting point and is insoluble in water, it is used as a release material in casting of copper anode plates. Barium Sulphate has been an indispensable inorganic filler in friction materials because of its moderate hardness, high specific gravity, non-toxic and high-temperature resistance. The use of barite powder is conducive to stabilising the friction coefficient and reducing the wear rate.

Bentonite Clay

CAS NO: 1302-78-9

Bentonite has been widely used as a foundry-sand bond in iron and steel foundries. Sodium bentonite is mostly used for large castings that use dry moulds, while calcium bentonite is more commonly used for smaller castings that use “green” or wet moulds.

Boric Acid

CAS NO: 10043-35-3

Boric acid as a flux (soldering compound) prevents oxygenation when used in metallurgy. This unwanted oxygenation, known as fire scale, is repelled with a coating of 60% boric acid and 40% denatured alcohol. When combined with water, boric acid acts as a flow flux.


Borax Decahydrate

CAS NO: 1303-96-4

In ferrous metallurgy, borax decahydrate is used as a cover flux to prevent oxidation at the surface of the molten ingot. In welding, brazing, and soldering, borax decahydrate covers the metal surfaces, excluding air and preventing oxidation. It also acts as a solvent and cleaning agent.

Borax Pentahydrate

CAS NO: 12179-04-3

Borax pentahydrate is used as a protective slag-former and fusing accelerator in the non-ferrous metal industry due to the property of forming a smooth, adhesive, protective, clean, and burr-free liquid at high temperatures.

Calcium Carbonate

CAS NO: 1317-65-3

Calcium carbonate decomposes to form carbon dioxide and lime, an important material in making steel. Acts as a fluxing agent in steel making. Also used as a parting powder, this prevents moulding sand that is packed around the pattern to be removed easily from the sand without sticking of sand to the pattern or adjoining sand.

Calcium Fluoride

CAS NO: 14542-23-5

Commonly known as Fluorspar, it is supplied in two grades, Metallurgical grade and Acid Grade.

It has a low melting point, and when added to metallurgical slags, it imparts greater fluidity at lower temperatures, thus making it valuable as a flux in smelting. Also widely used in the production of  welding rods and as a fluxing agent for aluminium in cement and steel industry.


Chromite Sand

CAS NO: 98072-82-3

Chromite Sand is a form of chrome and iron oxide, benefitting from having high refractory properties. As such chromite sand is used in steel making in green sand castings, ladle fillers and casting moulds, where the highest quality castings are required.

Copper Sulphate

CAS NO: 1317-38-0

The metal industry uses large quantities of copper sulphate as an electrolyte in copper refining, for copper coating steel wire prior to wire drawing and in various copper plating processes.


CAS NO: 13775-53-6

It is used as a solvent for bauxite in the electrolytic production of aluminum and has various other metallurgical applications, in bonded abrasives as a filler, and in the manufacture of insecticides. A large amount of synthetic cryolite is made from fluorite.

Glass Grit


Glass Grit can be used as a media blasting agent to remove rust or paint from metal surfaces, creating a smooth finish. It can also be used as an additive in cleaning agents for industrial and commercial use, as it has excellent cleaning properties due to its hardness and non-toxic nature. It is also commonly used for grinding down tough metallic surfaces such as stainless steel, aluminium and cast iron.

Ilmenite Sand

CAS NO: 3170-28-1

Ilmenite sand is used in the manufacturing of metal components that require durability at a lighter weight. Uses for Ilmenite sand include the downstream manufacturing of aircraft engine parts, in sporting equipment such as bike frames, and in the medical sector for the fabrication of artificial joints.

Iron Oxide – Natural

CAS NO: 1317-60-8

Generally, iron oxides are prevalent, widely used as they are inexpensive, and play an imperative role in many industrial processes. They are also extensively used as iron ores in thermites and catalysts.

Magnesium Carbonate

CAS NO: 546-93-0

Magnesium carbonates are used as source materials in the production of magnesium metal. Magnesium carbonates are calcined to produce basic refractory bricks.

Magnesium Oxide

CAS NO: 1309-48-4

Magnesium oxide in slags reduces their viscosity, facilitates the melting process in the blast furnace, in a certain amount helps to reduce the melting temperature, increases the Sulphur absorption capacity of the slag and the lining resistance of steelmaking furnaces. Used as an electric insulating material for making crucible, smelter, insulated conduit, electrode bar, and electrode sheet.

Manganese Carbonate

CAS NO: 598-62-9

Manganese Carbonate is used as an ingredient in welding rod production.

Manganese Dioxide

CAS NO: 1313-13-9

Manganese Dioxide is primarily used as a part of dry cell batteries, alkaline batteries. Also used as a catalyst and in water filtration applications.


CAS NO: 1332-37-2

Magnetite is the most common ore of iron; it is attracted to magnets and can itself be magnetised. It is used primarily in the production of iron and steel.

Nickel Carbonate

CAS NO: 3333-67-3

Nickel carbonate is used in electroplating, to prepare nickel monoxide and as a catalyst in the treatment of wastewater.

Nickel Oxide

CAS NO: 1313-99-1

Nickel oxide powders are used as an electrolyte in nickel plating solutions, an oxygen donor in auto emission catalysts. Also, they can be used in anodizing aluminum, conductive nickel zinc ferrites, in thermistors, cermet and resistance heating elements.


CAS NO: 1317-71-1

Olivine is used in metallurgical processes as a slag conditioner. High-magnesium olivine (forsterite) is added to blast furnaces to remove impurities from steel and to form a slag. Olivine has also been used as a refractory material and as a blast media.


CAS NO: 130885-09-5

Perlite insulation is used in high temperature applications in the steel and foundry industries such as ladle topping and hot topping, in exothermic and insulating shapes, as a cushioning agent, in moulding sand and in the manufacture of refractory blocks and bricks.

Potassium Bifluoride

CAS NO: 7789-29-9

Potassium bifluoride is commonly used in the manufacture of soldering agents.

Potassium Chloride

CAS NO: 7447-40-7

Potassium chlorides are used for surface treatment and galvanising, as hardening and soldering salts, and as smelting salts in foundry chemistry. Industrial rock salts are essential materials for the metal processing industry.

Potassium Fluoride

CAS NO: 7789-23-3

The primary uses of potassium fluoride are in the metallurgical industry, including soldering fluxes and in tin plating. It is also widely used as a fluorinating agent in organic synthesis.

Potassium Fluoroborate

CAS NO: 14075-53-7

Potassium fluoroborate (KBF4) is used in aluminium-metallurgy, to produce abrasives, soldering agents and in the chemical industry. Potassium fluoroborate is used in the following applications: Aluminium-metallurgy: as component in fluxing and grain refining agents for aluminium and magnesium and as a component in protecting salts for light metal castings. Production of abrasives: as active filler in resin-bonded abrasives for metal treatment. Production of soldering agents: as component in fluxing agents for soldering and brazing.

Potassium Fluorosilicate

CAS NO: 16871-90-2

Potassium Fluorosilicate is an additive used in hard chrome plating as a source of potassium and fluoride ions in mixed catalyst baths.

Potassium Fluorotitanate

CAS NO: 16919-27-0

Potassium Fluorotitanate (also known as potassium tetrafluorotitanate or potassium fluorotitanate) has the formula K2TiF6.  Potassium Fluorotitanate is most used as an additive in aluminium metallurgy to produce alloys containing titanium in the non-ferrous metals industry and to obtain pure titanium by electrolysis.



Supplied in two grades, a sand form, and a milled product. Predominantly used as a raw material for chloride titanium dioxide pigment manufacture. Also used in titanium metal production and welding rod fluxes.


CAS NO: 14808-60-07

Supplied in various grades from coarse sand to micronised grades.

Silica has many industrial applications in abrasives, polishes and in ferro-silicon manufacturing. In the foundry industry, silica sand is used as the main mould and core making material for both ferrous and non-ferrous castings. The physical and chemical properties of the sand are important and depend on several factors, such as the metal and product being cast, and the type of binder used.

Silicon Carbide

CAS NO: 409-21-2

Silicon Carbide is used for the electric furnace production of grey, ductile or malleable iron and steel. It is a prime source of silicon and carbon, imparting metallurgical benefits to the metal and enhancing furnace lining life due to its powerful deoxidising effect. Also used as a blast media.

Sodium Carbonate

CAS NO: 497-19-8

Sodium Carbonate is used in the extraction and smelting of various metals, especially alumina products.

Sodium Hexametaphosphate

A significant use for sodium hexametaphosphate is as a deflocculant in the production of clay-based ceramic particles. It is also used as a dispersing agent to break down clay and other soil types for soil texture assessment.

Sodium Fluoride

CAS NO: 7681-49-4

Sodium Fluoride is supplied in coarse and fine grades. Used in metal surface treatments in the aluminium industry.

Sodium Fluoroborate

CAS NO: 13755-29-8

Sodium fluoroborate is commonly used as a plating and surface treatment agent.

Sodium Fluorosilicate

CAS NO: 16893-85-9

Sodium Fluorosilicate is a water insoluble Silicon source for use in oxygen-sensitive applications, such as metal production. It is one of the main active ingredients used for manufacturing of foundry flux. It is also used aluminium furnace cleaning and metal alloy treatment compounds.

Sodium Nitrate

CAS NO: 7631-99-4

Sodium nitrate in metallurgical industry can be used as heat treatment agent for steel making and aluminum alloy.

Sodium Nitrite

CAS NO: 7632-00-0

Sodium Nitrite is an odourless, yellowish white, crystalline (sand-like) granule, or powder. It is used in heat transfer salts, metal treatment and finishing. It is used in a variety of metallurgical applications, for phosphatising and detinning.

Sodium Silicate

CAS NO: 1344-09-8

Sodium silicate is used in melting metals as a fire resistant and polishing metal appearance. In the classic CO2 process, the molds are made of sand and sodium silicate is used as the adhesive. Chemical reactions between CO2 and sodium silicate cause the initial hardening of the sand-sodium silicate mixture.


CAS NO: 1318-00-09

Vermiculite is supplied in both concentrate ore form and in various exfoliated grades. Vermiculite concentrate is used for ‘hot topping’ in the steel industry. Vermiculite concentrate when poured onto molten ‘hot metal’ exfoliates immediately and forms an insulating layer allowing the material to be transported to the next production process with a minimal loss of heat.


Wollastonite is widely used as a flux in the casting of steel. In metallurgical applications, wollastonite serves as a flux for welding, a source for calcium oxide, a slag conditioner, and to protect the surface of molten metal during the continuous casting of steel.

Zirconium Dioxide

The main use of zirconium is in the production of hard ceramics, such as in dentistry, with other uses including as a protective coating on particles of titanium dioxide pigments, as a refractory material, in insulation, abrasives, and enamels.

Zirconium Silicate

CAS NO: 14940-68-2

Zirconium Silicate (commonly known as Zircon Flour and Sand) is supplied in several grades from coarse sand to milled and micronised grades. Zirconium silicate is used for manufacturing refractory materials for applications where resistance to corrosion by alkali materials is required.

In steel casting the thermal conductance and density of zircon sands are also higher than those of, e.g., quartz sand, providing this mould material with a higher heat absorption capacity; therefore, zircon sand inserts or cores are sometimes used in quartz sand molds to force directed solidification.

Industrial Mineral Services Ltd has the facilities and experience to undertake a vast array of different and complex mineral and chemical processing operations on behalf of our customers.

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