Gypsum diluted can be dry.

Pay attention to the gypsum mixing can not be too thin, otherwise the waiting time will be too long, because only until the moisture of the gypsum reduced to a certain degree can be leveled and calendared.

Wall leveling first peeling and cracks in the location of clean, and then fill with mortar, if the wall's absorbent, you need to wet with water first. Wiping plaster when the first time dry, and then wipe the second time to scrape flat.

Wall leveling can be properly sanded, usually after the plaster is solidified and dry, wall leveling with gypsum is a common method, as long as we pay attention to the above details of the key points will be able to skillfully operate.

Gypsum powder blending method

Only gypsum powder and water, gypsum powder and water ratio of 100:28, will be blended proportionally. First of all, the first to add water, followed by adding gypsum powder, remember that this is very important, if the first to add gypsum powder in the addition of water, it is very difficult to mix the two evenly, the hardness of gypsum and mixing the degree of uniformity is directly proportional to the more uniform mixing, the higher the fastness.

Mastery of solidification time. Solidification time is mainly related to the amount of water, followed by mixing time, casting container, temperature, humidity. First of all, water, gypsum powder mixing ratio, the more water gypsum coagulation time is longer, the lower the density of gypsum, the lower the fastness, the less water coagulation time is shorter, the higher the density, the higher the fastness, according to the use of the specific needs to control.