--- title: "Mining Chemicals" description: "Reagents and consumables for gold and copper mines, alumina smelters and the nickel industry. 18 Mining Chemicals products from Kemindo Group (Chemicals &…" url: https://kemindogroup.com/en/products/category/mining-chemical lang: en lastmod: 2026-10-27T00:00:00.000Z site: Kemindo Group --- # Mining Chemicals Reagents and consumables for gold and copper mines, alumina smelters and the nickel industry. - [Hydrated Lime](https://kemindogroup.com/en/products/hydrated-lime) (Ca(OH)2): Hydrated lime (slaked lime, calcium hydroxide, Ca(OH)₂) for water treatment, pH control and ore processing. Made by PT Kemindo Cao Resources at its own plant in North Sulawesi, 10 tonnes per hour. - [Quick Lime](https://kemindogroup.com/en/products/quick-lime-cao) (CaO): Quick lime (calcium oxide, CaO) for pH control, flue gas treatment and mineral processing in the steel, mining, water treatment and construction industries. We supply it from our plant in Sulawesi. - [Copper Sulphate Pentahydrate](https://kemindogroup.com/en/products/copper-sulphate) (CuSO4·5H2O): Copper sulphate pentahydrate (CuSO₄·5H₂O), a blue crystal used as a reagent in gold and copper ore processing. Free acid and impurity levels are low. We supply it to mines in Indonesia. - [Caustic Soda Pearl](https://kemindogroup.com/en/products/caustic-soda-pearl) (NaOH): Caustic soda pearl (sodium hydroxide, NaOH) comes as small beads and is a very strong alkali. It is used to control pH and process minerals in mines, to treat water, and for pulp and paper. We supply it to gold mines and the paper industry. - [Caustic Soda Flake](https://kemindogroup.com/en/products/caustic-soda-flake) (NaOH): Caustic soda flake (sodium hydroxide, NaOH) comes as thin flakes and is a very strong alkali. It is used to control pH and process minerals in mines, to treat water, and for pulp and paper. We supply it to gold mines and the paper industry. - [Sulphuric Acid](https://kemindogroup.com/en/products/sulphuric-acid) (H2SO4): Sulphuric acid (H₂SO₄) with a minimum purity of 98% is a strong acid used in chemicals, fertiliser, oil refining, wastewater treatment and metal processing. Kemindo supplies it to gold mines, nickel mines and paper mills, in drums, IBCs or ISO tanks. - [Aluminium Sulphate (Liquid)](https://kemindogroup.com/en/products/aluminium-sulphate-liquid) (Al2(SO4)3): Liquid aluminium sulphate (liquid alum, Al₂(SO₄)₃) with at least 8% Al₂O₃ is used as a coagulant to clear water. Kemindo supplies it for water treatment at mines and in other industries. - [Aluminium Powder](https://kemindogroup.com/en/products/aluminium-powder): Aluminium powder is part of Kemindo's mining chemicals list for the nickel industry. Contact our sales team for the exact composition, grain size and packaging. - [Calcium Carbide](https://kemindogroup.com/en/products/calcium-carbide) (CaC2): Calcium carbide (CaC₂) is a grey solid that gives off acetylene gas on contact with water. We supply it to the nickel industry in Indonesia; specification in the table below. - [Electrode Paste](https://kemindogroup.com/en/products/electrode-paste): Electrode paste is a carbon material used to form electrodes in smelting furnaces. Its ash content is low and its volatile matter is stable. Kemindo supplies it for nickel smelting. - [Low Cement Castables](https://kemindogroup.com/en/products/low-cement-castables): Low Cement Castable (LCC) is a cast-in-place heat-resistant (refractory) material with a low cement content, used to line furnaces, kilns and ladles. We supply grade TSLC 75 (Al₂O₃ at least 75%, service temperature at least 1,700 °C) for nickel smelting. - [Activated Carbon](https://kemindogroup.com/en/products/activated-carbon): Activated carbon is a porous carbon that adsorbs dissolved substances. It is used to capture gold from solution at gold mines and to clean water. Kemindo supplies it to gold mines and the paper industry. - [Graphite Electrode](https://kemindogroup.com/en/products/graphite-electrode): Graphite electrodes are electrically conductive carbon rods for electric arc and smelting furnaces. Kemindo supplies them to the mining and smelting industries. - [Ion Exchange Resin](https://kemindogroup.com/en/products/ion-exchange-resin): Ion exchange resin is made of tiny polymer beads that swap certain ions in a solution. It is used to separate and purify metals and to treat water. Kemindo supplies it for nickel processing. - [Granular Sulphur](https://kemindogroup.com/en/products/sulphur-granular) (S): Granular sulphur (S) with a minimum purity of 99.90% and low ash and moisture. Available in bulk or in bags. Kemindo supplies it to the nickel processing industry. - [Calcium Fluoride (Fluorspar)](https://kemindogroup.com/en/products/calcium-fluoride) (CaF2): Calcium fluoride (CaF₂, fluorspar) is a white mineral used as a flux in metal smelting and as a raw material in the chemical and ceramics industries. Kemindo supplies it as a powder, packed in jumbo bags. - [Ferrosilicon](https://kemindogroup.com/en/products/ferrosilicon) (FeSi): Ferrosilicon (FeSi) is an alloy of iron and silicon used to remove oxygen from steel and to strengthen steel and cast iron. Kemindo supplies it as lumps, packed in jumbo bags. - [Xanthate (PAX and SIBX)](https://kemindogroup.com/en/products/xanthate): Xanthate is a collector reagent for the flotation of sulphide ores. Kemindo supplies PAX (potassium amyl xanthate) and SIBX (sodium isobutyl xanthate) as pellets or granules, packed in wooden boxes or steel drums.