When consumers buy putty powder in the decoration market, they are always confused by various names of putty powder and don't know how to choose. Xiaobian on the difference between the interior wall putty and the exterior wall putty to do the following finishing, hoping to provide some reference for people preparing to decorate.

內墻膩子具有良好的堅固性，粘結強度及良好的防水能力等特點，適合于會館、會議中 心及需要預防外墻面滲水影響的場所等。內墻膩子的特點是不掉灰、不脫落，具有極強的耐水性。它的使用方法是：加水按比例攪拌，然后靜置5-10分鐘后開始進行批刮。待一遍干透后進行二遍的批刮。膩子粉在攪拌后2個小時一定用完。

The internal wall putty has the characteristics of good firmness, bonding strength and good waterproof ability, which is suitable for guild halls, conference centers and places needing to prevent water seepage from the external wall. The internal wall putty is characterized by no ash falling, no falling off, and strong water resistance. Its use method is: add water to mix in proportion, and then stand for 5-10 minutes before batch scraping. After one time of drying, conduct two times of batch scraping. Putty powder must be used up in 2 hours after mixing.

外墻膩子具有良好的額粘度，抗滲能力，可靠性，自身不收縮等。它的特點是具有良好的抗裂性，節約了整體墻面的保養成本。使用方法：外墻膩子粉加水攪拌成膏狀靜置5分鐘，然后可以批抹上墻，一般厚度不宜超過2-3mm，按不同要求可分一至三遍批抹，增加其厚度，陰雨天不能施工。

The external wall putty has good viscosity, impermeability, reliability and non shrinkage. It is characterized by good crack resistance, saving the maintenance cost of the whole wall. Usage: the external wall putty powder is mixed with water to form a paste, and then it can be plastered on the wall for 5 minutes. Generally, the thickness should not exceed 2-3mm. According to different requirements, it can be plastered one to three times to increase its thickness. It can not be constructed in rainy days.