Classification of Limes:-

             (1) Fat Lime

             (2) Hydraulic Lime

             (3) Poor Lime or Lean Lime

(1) Fat Lime:-

This lime is also known as the high calcium lime.pure lime, rich lime or white lime. It is popularly known as the fat lime as it slakes vigorously and its volume is increased to about 2-2.5 times the volume that of quick lime. The impurities in such limestone is less than 5%.

(2) Hydraulic Lime:-

This lime is also known as the water lime as it sets  under water. It contains clay and some amount of ferrous oxide. The hydraulic lime can set under water in thik walls where there is  no free calculation of air.

(3) Poor Lime:-

This Lime is also known as the impure or  lime. It contains more than 30% of clay . It slake very slowly.

Lemon Limes