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。

Preparation method for gypsum powder with high hardness: only gypsum powder and water are needed. The ratio of gypsum powder to water is 100:28, and it can be mixed according to the ratio.

先加水，再加入石膏粉。有一点非常重要，一定要记住，如果先加入石膏粉再加水，很难将两者混合均匀。石膏的硬度与搅拌均匀程度成正比。混匀越均匀，牢度越高。

First add water, then add gypsum powder. It is very important to remember that if gypsum powder is added first and then water is added, it is difficult to mix the two evenly. The hardness of gypsum is directly proportional to the degree of uniformity of mixing. The more evenly mixed, the higher the fastness.

凝固时间的掌握。凝固时间主要与加水量有关，其次是搅拌时间、浇铸容器、温度和湿度。水和石膏粉的混合比例，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，需要根据使用要求进行控制。

Mastery of solidification time. The solidification time is mainly related to the amount of water added, followed by stirring time, casting container, temperature, and humidity. The mixing ratio of water and gypsum powder, the more water there is, the longer the gypsum setting time, the lower the gypsum density, and the lower the fastness. The less water there is, the shorter the setting time, the higher the density, and the higher the fastness. It needs to be controlled according to the usage requirements.

乳白胶添加剂的石膏调配:乳白胶可以增加石膏的牢固度，乳白胶的加入会延长石膏粉的凝固时间。乳白胶用量越多，凝固的时间越长。手感更细腻，颜色不易被石膏吸收，色素只会停留在石膏表面。在制作粗糙表面，需要石膏自然吸收颜料时，要注意加入乳白胶是否会影响最终效果。

Gypsum blending with milk white gum additives: Milk white gum can increase the firmness of gypsum, and the addition of milk white gum will prolong the solidification time of gypsum powder. The more milk white glue is used, the longer the solidification time. The texture is more delicate, the color is not easily absorbed by gypsum, and the pigment only stays on the surface of gypsum. When making rough surfaces that require natural absorption of pigments by gypsum, attention should be paid to whether adding milk white glue will affect the final effect.

二、石膏粉补墙方法

2、 Gypsum powder wall repair method

使用石膏粉补墙时，需要在石膏粉中加入白色乳胶，这样可以使石膏粉更好地粘在墙上，修复效果更好。不能直接将其上到墙面上，因为它比较粗糙，直接在墙上效果不好。

When using gypsum powder to repair walls, white latex needs to be added to the gypsum powder to better adhere to the wall and achieve better repair results. It cannot be directly placed on the wall because it is rough and does not work well on the wall.

需要将几层腻子粉刮到墙壁上，要充分干燥，用砂纸将其打磨成光滑的墙壁，然后再上石膏粉，这样就能使墙壁光滑，没有修补的痕迹，并且可以长期维护。

Several layers of putty powder need to be scraped onto the wall, thoroughly dried, sanded with sandpaper to create a smooth wall, and then coated with gypsum powder. This will make the wall smooth, without any repair marks, and can be maintained for a long time.

与水混合的石膏粉也可以填充墙壁，但是粘度不好，很难长时间附着在墙壁上。可以用石膏粉填充墙壁上的坑孔位置，然后再刮腻子，最后在光滑的墙壁上刷石膏乳胶漆，效果很好。

Gypsum powder mixed with water can also fill walls, but its viscosity is not good and it is difficult to adhere to the wall for a long time. You can use gypsum powder to fill the holes on the wall, then apply putty, and finally brush gypsum latex paint on the smooth wall, which has a good effect.

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