石膏粉它的主要用途是用于為建筑物內各種墻面和頂棚抹灰，但室內石膏粉卻不適用于衛生間、廚房等經常能與水接觸的地方。而且根據適用部位，理應合理選用不同類型室內石膏粉或者根據裝修的需求使用具有特殊性能的室內石膏粉。

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.

為保證石膏粉與基層表面的牢固粘結，用掃帚等工具將墻面浮灰、雜質清掃干凈，并且將基層表面凹凸不平的部位修平。一定要保證基層表面的干凈平整，因為這樣可以保證在抹灰后基層表面不會出現異常現象。

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.

裝修時，石膏粉墻面拌料量應該嚴格按照抹灰面積需要的量來配置，不應該過多過少，并且要做到一邊攪拌一邊使用。石膏粉墻面的料漿要在初次凝結前將其使用完，但已經初次凝結的石膏粉料漿不必第二次加水攪拌。

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.

石膏粉怎么調配

How to mix gypsum powder

1、硬度高的石膏粉調配方法：只需石膏粉和水，石膏粉與水的比例為100:28，將按比例調和即可。

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，切記這點很重要，若先加石膏粉在加水的話，是很難將兩者調配均勻的，石膏的硬度與攪拌的均勻程度是成正比的，攪拌越均勻，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、凝固時間的掌握。凝固時間主要與加水量有關系，次之與攪拌時間、澆鑄容器、溫度、濕度有關系。水、石膏粉混合比，水越多石膏凝結時間越長，石膏密度越低、牢度越低，水越少凝結時間越短、密度越大、牢度越高，具體需根據使用需求來控制。

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、乳白膠添加劑的石膏調配：乳白膠能增加石膏的牢固度，乳白膠的添加會使濟南石膏粉凝固時間延長，乳白膠用的越多凝固時間越長，添加乳白膠(較多)凝固后石膏表面比較細膩的感覺，上色不容易被石膏吸收，顏料只會停在石膏表面。制作粗糙表面、需要石膏自然吸收顏料的時候要注意，是否添加乳白膠是會影響效果。

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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