This standard specifies the requirements, test methods, inspection rules, signs, Encasement and storage of putty for building exterior. Applicable to exterior putty made of cement, polymer powder, synthetic resin emulsion, etc. as the main binder, with fillers, additives, etc. for ordinary exterior, exterior insulation and other Coating bottom layer. A series of standard documents are quoted, including general silicate cement, Coating water resistance measurement method, Coating Encasement general rules, etc., to ensure the mass and performance of products.