The coating is too thick to crack. Generally, the thickness of putty powder is 1-2 mm, not more than 3 mm. Some interior and exterior walls are not smooth, up to 3-5 cm, if all the putty powder leveling will certainly crack. Mortar leveling should be adopted. The greater the error, the thicker the mortar is required. Masonry mortar should be used to leveling the base, and putty can be filled with flexible agent.

　　內(nèi)墻膩?zhàn)臃蹮o機(jī)粘結(jié)劑的灰鈣粉和水泥的內(nèi)容太多,太多的強(qiáng)度,一般的裂紋內(nèi)墻膩?zhàn)臃郜F(xiàn)象,如果灰鈣粉和水泥含量超過50%,強(qiáng)度太大,面對(duì)硬脆,容易產(chǎn)生裂紋,在過去,在中國(guó)大部分地區(qū)用膠水(107年不是107膠水,膠水對(duì)環(huán)境問題停止使用),加上舊粉或外墻用膠水和白水泥，很容易脫落粉末和開裂。

　　Inside wall putty powder inorganic binder of lime-calcium powder and cement content is too much, too much strength, the general phenomenon of cracked inner wall putty powder, if the content of lime-calcium powder and cement is more than 50%, strength is too large, facing brittle, easy to crack, in the past, in most parts of China with glue (107 is not 107 glue, glue ceases to use for environmental problems), plus old powder or external wall glue and white cement. It is easy to peel off powder and crack.

　　隨著外界冷熱溫度的變化，裂紋逐漸出現(xiàn)，裂紋沿著空鼓的方向發(fā)展，并沒有看到裂紋。如果你打開裂縫，你會(huì)看到膩?zhàn)雍蛪Φ牡撞渴莾蓪樱虚g一層是灰塵。解決這種墻的底部,看到墻重要的是,如果脫下粉紅色的嚴(yán)重的必須清理干凈,用水沖洗后但刮涂膩?zhàn)?如果不是太嚴(yán)重,之后希望表層能夠使用膠輥刷,就可以完整的膩?zhàn)印?br />

　　With the change of external temperature, cracks gradually appear, and cracks develop along the direction of empty drum, and no cracks are observed. If you open the crack, you will see that the putty and the bottom of the wall are two layers, and the middle layer is dust. To solve the bottom of this kind of wall, the most important thing is to see the wall. If you take off the serious pink, you must clean it. After washing with water, but scraping putty, if it is not too serious, then you hope that the surface can use rubber roller brush, you can complete putty.

　　膩?zhàn)右话阌苫摹⑻盍稀⑺吞砑觿┙M成。

　　Putties generally consist of substrates, fillers, water and additives.

　　基材，又稱粘結(jié)劑，是膩?zhàn)雨P(guān)鍵的組成部分，主要在粘結(jié)中起各種作用。膩?zhàn)映Ｓ玫恼辰Y(jié)劑是水泥和有機(jī)聚合物，它們分為乳液和乳膠粉。水泥是一種良好的粘結(jié)劑，經(jīng)久耐用，性價(jià)比高，但抗拉強(qiáng)度和抗裂性較差。有機(jī)聚合物可以對(duì)膩?zhàn)舆M(jìn)行改性和增韌，從而提高膩?zhàn)拥男阅堋?/div>