Causes:

1、內墻膩子粉拋光時間掌握不好，表面已經干燥后再進行拋光處理就會脫粉。

1. If the powder is not removed, the polishing time will be mastered.

2、膩子粉批刮比較薄，在夏天高溫條件下，水分揮發過快造成膠黏體系破壞，因而容易脫粉。

2. The putty powder is thin. Under the high temperature condition in summer, the water volatilizes too fast, resulting in the damage of the adhesive system, so it is easy to remove the powder.

3、產品超過保質期，粘結力度大幅度下降。

3. When the product exceeds the shelf life, the bonding strength decreases significantly.

4、產品儲存不當，吸潮后粘結力大幅度下降。

4. If the product is stored improperly, the adhesion decreases significantly after moisture absorption.

5、基層吸水率高，導致膩子干燥速度很快，沒有充足的水分進行固化。

5. The base course has high water absorption, resulting in rapid drying of putty and insufficient moisture for curing.

處理方法：

Treatment method:

1、內墻膩子面層拋光時要掌握適宜的拋光時間，拋光的較佳時期就是待膩子表面水印消失后，立即進行拋光。實踐證明，飾面1~2m2就應該進行壓平或拋光處理。

1. Appropriate polishing time shall be mastered when polishing the putty surface of the inner wall. The better period of polishing is to polish immediately after the watermark on the putty surface disappears. Practice has proved that the finish 1 ~ 2M2 should be flattened or polished.

2、外墻膩子表面干燥后，要進行適度打磨，并進行充分的淋水保養，一般保養分為兩次或兩次以上進行，如果有必要，請用透明封閉底漆兌水（1：5）作為二道淋水液，效果會更好。

2. After the surface of the exterior wall putty is dry, it shall be properly polished and fully watered. Generally, the maintenance is divided into two or more times. If necessary, please use the transparent sealing primer mixed with water (1:5) as the second layer of water spraying solution, and the effect will be better.

3、產品一定要在保質期內使用，如果超過保質期，需要進行試刮，經檢驗合格后，再行施工。

3. The product must be used within the warranty period. If it exceeds the warranty period, it needs to be scraped. After passing the inspection, the construction can be carried out.

4、產品一定要注意防水處理，應存在在陰涼干燥處，并且保證包封完好。

4. The product must pay attention to waterproof treatment. It should be stored in a cool and dry place and ensure that the package is intact.

5、夏天或高溫強風氣候條件下，在施刮膩子前較好先用清水潤濕墻面，墻面表面無明水后即可施刮膩子。龜裂、開裂、暗痕。

5. In summer or under high temperature and strong wind climate conditions, it is better to wet the wall with clean water before applying putty. Putty can be applied after there is no open water on the wall surface. Cracks, cracks and dark marks.

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