The use of gypsum power also has skill, especially the setting time of gypsum powder master: solidification time is mainly associated with the amount of water, mixing time, casting container, temperature and humidity and so on. First, the water and gypsum powder mixing ratio, the more the water, the shorter the density. The less the water, the shorter the setting time, the higher the density, it according to the specific requirements to control. Generally speaking, stirring gypsum powder uniform can be cast, generally controlled within 5 minutes, the longer the mixing time, the faster the gypsum powder solidification time.
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