Putty powder for exterior wall: the imported polymer redispersible rubber powder is selected as the putty powder for exterior wall. The mixture of methyl fiber ether, modified starch ether and anti crack fiber is (3%) of the weight ratio of the putty powder for exterior wall. The outdoor high-grade putty powder for exterior wall is highly resistant to the micro crack of the wall, with excellent viscosity, anti-seepage grade and stability, It does not shrink. Su Yijia's putty powder for exterior wall has excellent crack resistance, greatly saving the maintenance cost of the whole strong surface.

　　The external wall putty powder is mixed with water and placed in paste shape for about 5 minutes, and then the wall can be plastered. Generally, the thickness is not suitable for more than 2-3mm. According to different requirements, it can be divided into one to three times of plastering to increase its thickness. Because the external wall putty powder has a good water locking ability, it can slow down the solidification and prevent the initial dry shrinkage cracks. Therefore, it should be noted that the second floor can only be carried out after the first floor is completely dry. The ambient temperature of the project construction shall not be higher than 5 degrees, and the project construction is not recommended in rainy days.