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(diào)配

How to mix gypsum powder

1、硬度高的石膏粉調(diào)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(diào)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(diǎn)很重要，若先加石膏粉在加水的話，是很難將兩者調(diào)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(shí)間的掌握。凝固時(shí)間主要與加水量有關(guān)系，次之與攪拌時(shí)間、澆鑄容器、溫度、濕度有關(guān)系。水、石膏粉混合比，水越多石膏凝結(jié)時(shí)間越長(zhǎng)，石膏密度越低、牢度越低，水越少凝結(jié)時(shí)間越短、密度越大、牢度越高，具體需根據(jù)使用需求來(lái)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(diào)配：乳白膠能增加石膏的牢固度，乳白膠的添加會(huì)使濟(jì)南石膏粉凝固時(shí)間延長(zhǎng)，乳白膠用的越多凝固時(shí)間越長(zhǎng)，添加乳白膠(較多)凝固后石膏表面比較細(xì)膩的感覺(jué)，上色不容易被石膏吸收，顏料只會(huì)停在石膏表面。制作粗糙表面、需要石膏自然吸收顏料的時(shí)候要注意，是否添加乳白膠是會(huì)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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