The reason why the putty powder of the inner wall falls is that the hardness of the inner wall cannot be simply scraped off, and some are formed by the fact that the quality of the putty powder cannot be affected by moisture. Putty powder is a kind of construction and decoration materials, mainly composed of talc powder and glue. A layer of white putty on the surface of the blank room just purchased. Generally, the whiteness of putty is more than 90 and the fineness is more than 330. Putty is a kind of base material used for wall repair and leveling, which lays an excellent foundation for the next decoration (painting and wallpaper).

膩子分為內墻和外墻兩種，外墻膩子要反抗風吹日曬所以膠性大、強度高，環保指數稍低。內墻膩子歸納指數較好，健康環保，所以內墻不外用，外墻不內用。一般膩子是石膏或許水泥基的，這樣外表粗糙十分簡單粘接結實。可是在施工的時分仍是要在底層上涂刷一層界面劑來封固底層一起進步墻面的附著力，讓膩子可以更好的粘結在基面上。

Putty is divided into interior wall and exterior wall. Exterior wall putty should resist the wind and sun, so it has high glue, high strength and slightly low environmental protection index. The interior wall putty has good inductive index, health and environmental protection, so the interior wall is not used externally and the exterior wall is not used internally. The general putty is gypsum or cement-based, so the appearance is rough, very simple and firm. However, during construction, it is still necessary to apply a layer of interface agent on the bottom layer to seal the bottom layer, so as to improve the adhesion of the wall together, so that the putty can be better bonded to the base surface.

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