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。

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。有一點非常重要，一定要記住，如果先加入石膏粉再加水，很難將兩者混合均勻。石膏的硬度與攪拌均勻程度成正比。混勻越均勻，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.

凝固時間的掌握。凝固時間主要與加水量有關，其次是攪拌時間、澆鑄容器、溫度和濕度。水和石膏粉的混合比例，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，需要根據使用要求進行控制。

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.

乳白膠添加劑的石膏調配:乳白膠可以增加石膏的牢固度，乳白膠的加入會延長石膏粉的凝固時間。乳白膠用量越多，凝固的時間越長。手感更細膩，顏色不易被石膏吸收，色素只會停留在石膏表面。在制作粗糙表面，需要石膏自然吸收顏料時，要注意加入乳白膠是否會影響最終效果。

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、石膏粉補墻方法

2、 Gypsum powder wall repair method

使用石膏粉補墻時，需要在石膏粉中加入白色乳膠，這樣可以使石膏粉更好地粘在墻上，修復效果更好。不能直接將其上到墻面上，因為它比較粗糙，直接在墻上效果不好。

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.

需要將幾層膩子粉刮到墻壁上，要充分干燥，用砂紙將其打磨成光滑的墻壁，然后再上石膏粉，這樣就能使墻壁光滑，沒有修補的痕跡，并且可以長期維護。

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.

與水混合的石膏粉也可以填充墻壁，但是粘度不好，很難長時間附著在墻壁上。可以用石膏粉填充墻壁上的坑孔位置，然后再刮膩子，最后在光滑的墻壁上刷石膏乳膠漆，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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