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.

　　内墙腻子粉无机粘结剂的灰钙粉和水泥的内容太多,太多的强度,一般的裂纹内墙腻子粉现象,如果灰钙粉和水泥含量超过50%,强度太大,面对硬脆,容易产生裂纹,在过去,在中国大部分地区用胶水(107年不是107胶水,胶水对环境问题停止使用),加上旧粉或外墙用胶水和白水泥，很容易脱落粉末和开裂。

　　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.

　　随着外界冷热温度的变化，裂纹逐渐出现，裂纹沿着空鼓的方向发展，并没有看到裂纹。如果你打开裂缝，你会看到腻子和墙的底部是两层，中间一层是灰尘。解决这种墙的底部,看到墙重要的是,如果脱下粉红色的严重的必须清理干净,用水冲洗后但刮涂腻子,如果不是太严重,之后希望表层能够使用胶辊刷,就可以完整的腻子。

　　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.

　　腻子一般由基材、填料、水和添加剂组成。

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

　　基材，又称粘结剂，是腻子关键的组成部分，主要在粘结中起各种作用。腻子常用的粘结剂是水泥和有机聚合物，它们分为乳液和乳胶粉。水泥是一种良好的粘结剂，经久耐用，性价比高，但抗拉强度和抗裂性较差。有机聚合物可以对腻子进行改性和增韧，从而提高腻子的性能。

　　Substrate, also known as binder, is the most critical component of putty, mainly plays a variety of roles in bonding. Putty most commonly used binder is cement and organic polymer, they are divided into emulsion and latex powder. Cement is a good binder, durable, cost-effective, but poor tensile strength and crack resistance. Organic polymer can modify and toughen putty, so as to improve the performance of putty.

　　填料主要用于碳酸钙、滑石粉、石英砂等的充填。应注意包装细度的搭配。

　　The filler is mainly used for filling calcium carbonate, talc powder, quartz sand, etc. Pay attention to the matching of packing fineness.

　　辅助增稠剂、保水剂等。增稠剂和保水剂具有保水、改善贮存性能和施工性能的作用，一般采用纤维素。防冻剂主要用于提高腻子在低温下的贮存稳定性。

　　Auxiliary thickener, water retaining agent, etc. Thickening agent and water retaining agent have the functions of water retaining, improving storage performance and construction performance, and cellulose is generally used. Antifreeze agent is mainly used to improve the storage stability of putty at low temperature.

　　一些还添加了纤维来抵抗开裂。

　　Some also add fibers to resist cracking.