石膏粉它的主要用途是用于为建筑物内各种墙面和顶棚抹灰，但室内石膏粉却不适用于卫生间、厨房等经常能与水接触的地方。而且根据适用部位，理应合理选用不同类型室内石膏粉或者根据装修的需求使用具有特殊性能的室内石膏粉。

Gypsum powder is mainly used for plastering various walls and ceilings in buildings, but indoor gypsum powder is not suitable for toilets, kitchens and other places that can often contact with water. And according to the applicable parts, it is reasonable to choose different types of indoor gypsum powder or use indoor gypsum powder with special properties according to the needs of decoration.

为保证石膏粉与基层表面的牢固粘结，用扫帚等工具将墙面浮灰、杂质清扫干净，并且将基层表面凹凸不平的部位修平。一定要保证基层表面的干净平整，因为这样可以保证在抹灰后基层表面不会出现异常现象。

In order to ensure the firm adhesion between gypsum powder and base course surface, use brooms and other tools to clean the floating ash and impurities on the wall, and level the uneven parts on the base course surface. Ensure that the surface of the base course is clean and flat, because this can ensure that the surface of the base course will not be abnormal after plastering.

装修时，石膏粉墙面拌料量应该严格按照抹灰面积需要的量来配置，不应该过多过少，并且要做到一边搅拌一边使用。石膏粉墙面的料浆要在初次凝结前将其使用完，但已经初次凝结的石膏粉料浆不必第二次加水搅拌。

During decoration, the mixing amount of gypsum powder wall surface should be configured in strict accordance with the required amount of plastering area, not too much or too little, and it should be used while mixing. The slurry of gypsum powder wall shall be used up before the initial setting, but the gypsum powder slurry that has been set for the first time does not need to be mixed with water for the second time.

石膏粉怎么调配

How to mix gypsum powder

1、硬度高的石膏粉调配方法：只需石膏粉和水，石膏粉与水的比例为100:28，将按比例调和即可。

1. Preparation method of gypsum powder with high hardness: only gypsum powder and water are needed. The ratio of gypsum powder to water is 100:28, which will be mixed according to the proportion.

2、先加入水，其次再加入石膏粉，切记这点很重要，若先加石膏粉在加水的话，是很难将两者调配均匀的，石膏的硬度与搅拌的均匀程度是成正比的，搅拌越均匀，牢度越高。

2. First add water, then add gypsum powder. Remember this is very important. If you add gypsum powder before adding water, it is difficult to mix them evenly. The hardness of gypsum is proportional to the uniformity of mixing. The more uniform the mixing, the higher the fastness.

3、凝固时间的掌握。凝固时间主要与加水量有关系，次之与搅拌时间、浇铸容器、温度、湿度有关系。水、石膏粉混合比，水越多石膏凝结时间越长，石膏密度越低、牢度越低，水越少凝结时间越短、密度越大、牢度越高，具体需根据使用需求来控制。

3. Control of setting time. The setting time is mainly related to the amount of water added, followed by the mixing time, casting container, temperature and humidity. Mixing ratio of water and gypsum powder: the more water, the longer the setting time of gypsum, the lower the density and fastness of gypsum, the less water, the shorter the setting time, the greater the density and the higher the fastness, which shall be controlled according to the use requirements.

4、乳白胶添加剂的石膏调配：乳白胶能增加石膏的牢固度，乳白胶的添加会使济南石膏粉凝固时间延长，乳白胶用的越多凝固时间越长，添加乳白胶(较多)凝固后石膏表面比较细腻的感觉，上色不容易被石膏吸收，颜料只会停在石膏表面。制作粗糙表面、需要石膏自然吸收颜料的时候要注意，是否添加乳白胶是会影响效果。

4. Gypsum preparation of opal glue additive: Opal glue can increase the firmness of gypsum. The addition of opal glue will prolong the solidification time of Jinan gypsum powder. The more opal glue is used, the longer the solidification time. After adding (more) opal glue, the surface of gypsum is more delicate. The color is not easily absorbed by gypsum, and the pigment will only stop on the surface of gypsum. When making rough surfaces and requiring gypsum to naturally absorb pigments, attention should be paid to whether adding opal will affect the effect.

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