Lime:
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:
- Fat
- Hydraulic
- 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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