If we divide the plastering mortar according to the use position and function, we can divide the plastering mortar into ordinary plastering mortar, decorative mortar and plastering mortar with some special functions. Plastering mortar with special functions mainly refers to waterproof mortar, thermal insulation mortar, sound-absorbing mortar and some acid and alkali resistant mortar.

抹面砂浆，是为了后期装饰使用的。所以抹面砂浆都要求具有很好的和易性，这样便于以后施工。第二点就是要求有较高的黏结力，这样砂浆层与基层粘接牢固，能保证长期的不开裂，或者是出现空鼓脱落。第三点就是使用在潮湿环境或者是一些容易受外力作用的地方，还要具有较高的耐水性和强度。

Plastering mortar is used for later decoration. Therefore, the plastering mortar is required to have good workability, which is convenient for future construction. The second point is that it is required to have a high bonding force, so that the mortar layer is firmly bonded to the base layer, which can ensure that it will not crack for a long time, or there will be hollowing and falling off. The third point is that it should have high water resistance and strength when used in humid environment or places easy to be affected by external forces.

抹面砂浆的配合比种是用于砖墙表面的一些抹面砂浆。这类抹面砂浆中石灰和沙子的比例是1:2到1:4之间。

The mix proportion of plastering mortar the first is some plastering mortar for the surface of brick wall. The ratio of lime to sand in this type of plastering mortar is between 1:2 and 1:4.

第二种是适用于一些干燥环境的墙体表面的抹面砂浆。这时它的材料比例是石灰，黏土，沙子的比例是1:1:4到1:1:8之间。

The second is the plastering mortar suitable for the wall surface in some dry environment. At this time, the proportion of lime, clay and sand is between 1:1:4 and 1:1:8.

第三种是使用在一些不太潮湿的房间的墙面和天花的砂浆。此时的材料的比例是石灰比上石膏比上沙子的比例是1: 0.6 :2到1: 1 :3之间。

The third is the mortar used on the walls and ceilings of some less humid rooms. The ratio of lime to gypsum to sand is 1:0.6:2 to 1:1:3.

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