What is the effect of excessive amount of lime in mortar?
The first thing to clarify is that lime should be the lime paste in the specification. Lime paste is slaked lime after hydrated heat treatment.
Adding materials such as lime paste, mortar king will change its cement workability, strength and other properties in the mortar, adding lime paste in mortar cement can improve the workability, but because of their belonging to the lime water swellable material, complete the construction of the masonry or painted wall is often in the rain or in a moist environment.
Air entraining components containing surfactant, refined lime mortar King products, the introduction of micro bubbles in the mortar to increase the mortar workability, bubbles introduced will to some extent reduce mortar density and strength, thus adding excessive strength will be significantly reduced, cracking, hollowing, ash explosion, and base off layer, sand, dust and other quality problems
