That can be used as much as possible is a 60: 40 by must be mixed with water in a suitable quantity is 41.5 ml, which will make the mortar mix has a viscosity similar to the new plaster and curing time 39 minutes. .
that can be used most is 60:40, must be mixed with the appropriate amount of water Ajarn ml which will make the cement mixed with a viscosity similar to plaster and can be firm in 39 minutes