Quicklime

Quicklime 25kg, wholesale is a white crystalline substance. Refers to basic oxides, reacts with acid oxides and acids, forming salts. It dissolves in water with the release of energy, forming calcium hydroxide.

Density 3.37 g/cm³. Melting point 2570°C, boiling point 2850°C.

Lump quicklime is a semi-product. If it is used in slaked form, then it is preliminarily processed into hydrated lime (fluff) or into lime dough.

The chemical formula is CaO.

 Where is it applied?

The main volumes are used in construction as lime cement, when mixed with water, calcium oxide turns into hydroxide, which further, absorbing carbon dioxide from the air, hardens strongly, turning into calcium carbonate. However, at present, they try not to use lime cement in the construction of residential buildings, since the resulting structures have the ability to absorb and accumulate dampness.

It is categorically unacceptable to use lime cement when laying furnaces due to thermal decomposition and the release of asphyxiating carbon dioxide into the air.

It also finds some use as an affordable and inexpensive refractory material - fused calcium oxide, which has some resistance to water, which allows it to be used as a refractory where the use of more expensive materials is impractical.

Small amounts of calcium oxide are also used in laboratory practice to dry substances that do not react with it.

In the food industry, it is registered as a food additive E-529.

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