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[Chemical Knowledge]：The nature and use of gypsum powder

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The nature and use
of gypsum powder in the field of raw materials for chemical production
1. Introduction

gypsum powder is an important raw material widely used in chemical production. Its unique physical and chemical properties make it play a key role in many fields. This article will discuss the properties and uses of gypsum powder in detail, aiming to deepen the understanding of this important chemical raw material.

2. the nature of gypsum powder

1. physical properties: gypsum powder is a white, tasteless, amorphous powder. It has good hygroscopicity and can absorb moisture in the surrounding environment. In addition, the gypsum powder also has good solidification and can harden quickly after adding water.
2. Chemical properties: The main component of gypsum powder is calcium sulfate (CaSO4), which has good chemical stability and is insoluble in water, but can be dissolved in acid. In addition, gypsum powder loses moisture when heated to a certain temperature and becomes plaster of Paris. The use of

3. gypsum powder

in the production of chemicals, the main uses of gypsum powder are as follows:

1. plastic production: gypsum powder can be used as a filler added to the plastic, improve the hardness and heat resistance of the plastic.
2. Paint manufacturing: Gypsum powder can be added to the paint as a pigment filler to improve the hiding power and weather resistance of the paint.
3. Building materials: Due to the coagulability of gypsum powder, it can be used to make building materials such as gypsum board and gypsum lines.
4. Ceramic production: gypsum powder can be used as raw materials for ceramics to improve the whiteness and strength of ceramics.
5. Food additives: In some foods, gypsum powder can be used as a coagulant or acidity regulator.

4. Conclusion

In general, gypsum powder has been widely used in the field of chemical production raw materials because of its unique physical and chemical properties. With the continuous development of science and technology, we expect gypsum powder to have more applications in the future.

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