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Wall temperature in general how many really stone paint construction

by:Opal     2021-01-18
In the process of using really stone paint to paint the walls, really stone paint has certain adaptability. Before painting, we must give full consideration to the selection of really stone paint, base material processing, the problem such as the selection of coating process. Next, we will focus on the external wall temperature really stone paint coating construction. Exterior wall really stone paint construction general temperature is required? 1. And really stone paint drying temperature and state is directly related to the film. When the temperature is too low, it is difficult to curing and drying curing coating and chemical physics curing coating, and when the temperature is too high, it is easy to appear many coating defects. 2. Temperature has obvious influence on really stone paint viscosity. If the temperature is too low, really stone paint viscosity will become too high and cannot be used. Too high temperature will shorten the chemical curing coating in the mixed use of time, so it will be gelation, and hard to use before finished. If the temperature is too high, fast solvent evaporation, brush brush difficulties and causes obvious grain, application and easy to produce dry spray phenomenon, due to the rapid evaporation of the solvent, and also can create new building exterior wall coating of coating defects such as blister, crust. Exterior really stone paint construction of appropriate environmental conditions: spraying operation should be performed as soon as possible after the base material processing, generally no more than eight hours. The surface of the substrate temperature and environmental temperature is generally not less than 10 ℃, the surface temperature of at least 3 ℃ higher than the dew point and relative air humidity less than 85%.
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