Poor Lime

This lime is also called impure lime or lean lime. Following are the properties of poor lime.

This lime contains more than 30% clay.
It slides very slowly.
It forms a fine paste with water.
It does not dissolve in water although it is often replaced.
It hardens very slowly.
It has poor binding properties.
Its color is muddy white.
Where good lime is scarce, it may be used for inferior work.