2、 The role of decoration and beautification. The use of putty powder can make the wall more smooth and delicate. Because some paints have high requirements for the smoothness of the wall, putty powder can improve the smoothness of the wall very well!

三、抗墻面自龜裂現(xiàn)象發(fā)生的作用。在建筑物表面，尤其是外墻面，經(jīng)常會(huì)出現(xiàn)由于水泥的收縮而引起的表面細(xì)裂紋，形似烏龜背，故稱“龜裂紋”。龜裂紋常引起涂層的起殼、脫落、甚至引起墻面滲水。因此抗墻面自龜裂現(xiàn)象的發(fā)生也是外墻膩?zhàn)佑幸囊粋€(gè)重要作用。

3、 Anti wall self cracking. On the surface of buildings, especially on the outer wall, there are often thin cracks on the surface caused by the shrinkage of cement, which look like a turtle's back, so it is called "turtle crack". Tortoise cracks often cause the peeling and falling off of the coating, and even cause water seepage on the wall. Therefore, the occurrence of wall self cracking is also an important role of exterior wall putty.

外墻膩?zhàn)臃鄣氖褂茫?/div>