Goseeko blog

What is Lime?

by Team Goseeko


It is the product which is remained after removing the moisture and carbon-dioxide from the limestone by the process of calcination. The chemical composition is CaO i.e. calcium oxide.

Types of Lime:

It is obtained by calcination of limestone are typed into three categories. They are as follows:

  1. Fat  
  2. Hydraulic
  3. Poor

1. Fat :

  • It is also termed as pure or rich or white or high calcium lime.
  • One requires fat lime in white washing and plastering wall.
  • It is soluble in water.
  • It hardens very slowly.
  • Its colour is white.
  • In addition, it has high degree of plasticity.
  • Lastly, It sets slowly in presence of air.

2. Hydraulic:

  • The one which sets under the water is called hydraulic.
  • It is also termed as water lime.
  • Hydraulic lime consist of clay and some amount of ferrous oxide.
  • Lastly, one uses it for ordinary masonry work, and damp places in construction.

3. Poor:

  • It is also termed as lean or impure. Since it consist of more than 30% of clay.
  • It’s colour is muddy.
  • One needs it to prepare poor mortar for inferior type of work.
  • It forms a thin paste with water.
  • Lime hardens very slowly.
  • Lastly, it has poor binding properties.

Uses of Lime:

Uses in various things are as follows:

  • Firstly, One uses for final coat in internal plastering work of wall and ceiling.
  • Secondly, One uses it in neeru finish work.
  • Thirdly, One needs making mortar for masonry work.
  • Fourthly, One uses it in soil stabilization.
  • Fifthly, Works as a matrix for concrete and mortar.
  • Lastly, One uses it for manufacturing of glass.

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