Mortar strength grade corresponding to the ratio

Often said 1:3 cement mortar is 1 weight cement and 3 weight sand with, in fact, ignored the water component, generally in the proportion of 0.6 or so, that should become 1:3:0.6, the density of cement mortar for 2000Kg/m3.

General plastering mortar with the proportion of said: 1:1, 1:2.5, etc..

Use: 1:2 cement mortar is used for all kinds of partition walls and all kinds of masonry; 1:1 cement mortar is used for wall plastering as well as sealing pipelines, lines, repairing, etc.;