Cobalt Metal used as :
For Chemical Products
Petro Refining, Petrochemical Catalysts.
In paints as a paint dryer and various dyes
Cutting tools and diamond cutting
Hybrid car and telephone batteries
Super alloys
Aerospace Industries
High speed Alloys
Glass and Ceramics
Animal feed industry
Main constituent of high temperature and high 
performance alloys
Improves strength property and increases melting point
Permanent Magnet

Use of the Zinc Chloride are Following :

Fluxes :

The property to attack metal oxide and salts from metal surface and gives good metal to metal bonding make Zinc Chloride a better raw material for fluxes.

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Dry Cell Batteries :

Zinc Chloride is used in Dry Cell Batteries as an electrolyte and also as a moisture absorbent and corrosion inhibitor.

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Glue :

It is used in manufacture of Glue, Paper, Cosmetics, Synthetic, Fibers, Disinfectants and Fire Fitting form.

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Electro Plating :

It is one of the main raw material for manufacturing of electroplating chemicals.

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Wood Preservative :

It is also a good preservative.

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Water treatment Chemicals :

It is using in water treatment because of corrosion inhibitor property.

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Catalysts :

Zinc Chloride is used as a catalyst in production of methylene chloride from methyl alcohol.

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Petroleum :

It is used to separate water from oil as it is a good emulsion breaker. It is also used in oil and gas wells.

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Rubber Vulcanization :

It is used as accelerator in the vulcanizing process of rubber.

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Anteseptic AND Deodorant Preparation :

Zinc Chloride is also used to prepare antiseptics and deodorants.

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Textile Finishing :

Zinc chloride is a more active catalyst than magnesium chloride and almost as active as zinc nitrate. It does not contribute to resin yellowing on white goods and has little effect on dye shades in tinted materials. The textile grade is used as a catalyst in resin systems that impart a durable-press or wash and wear finish to cotton and cotton synthetic blend fabrics. Zinc Chloride 50% Solution also serves as a high quality mercerizing agent for cotton.

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Raw Material & Other Chemicals :

Zinc Chloride is an excellent source of zinc and used as a raw material for the production of other zinc chemicals.

Uses of Nickel Metal

For Stainless Steel Making
As an electroplating material
Alloying element for non-ferrous metals
Nickel Cadmium Batteries
Catalysts and Chemical Industries
Heat resistant alloys
Space, defense and rocket industries