石膏粉的作用有哪些？在装修中有什么用途?石膏粉通常是白色或是透明的粉末状晶体，在家庭装修中是不可缺少的装修材料，既然是装修中使用的，那肯定有它所特有的功效，今天就给大家讲讲石膏粉在装修中的用途和作用。

　　What are the functions of gypsum powder? What is the purpose of decoration? Gypsum powder is usually a white or transparent powdery crystal, which is an indispensable decoration material in home decoration. Since it is used in decoration, it must have its unique effects. Today, we will talk about the use and function of gypsum powder in decoration.

　　石膏粉分类

　　Classification of gypsum powder

　　石膏粉是装修中常见的一种墙面等基层处理材料，它在墙面装修上非常重要。石膏的应用由来已久，但是早期只是用来制粉笔、做腻子、做豆腐和做简单工艺品等，缺少深入地研究开发；

　　Gypsum powder is a common base treatment material for walls and other surfaces in decoration, and it is very important in wall decoration. The application of gypsum has a long history, but in the early days it was only used to make chalk, putty, tofu, and simple handicrafts, lacking in-depth research and development;

　　1、石膏粉根据物理成份的不同可分为：磷石膏粉、脱硫石膏粉、柠檬酸石膏粉和氟石膏粉等。2、石膏粉根据颜色的不同可分为：红石膏粉、黄石膏粉、绿石膏粉、青石膏粉、白石膏粉、蓝石膏粉、彩色石膏粉等。3、石膏粉根据物理特征的不同可分为：白云质石膏粉、粘土质石膏粉、绿泥石石膏粉、雪花石膏粉、滑石石膏粉、含砂质石膏粉和纤维石膏粉等。4、石膏粉根据用途可分为：建材用石膏粉、化工用石膏粉、模具用石膏粉、食品用石膏粉和铸造用石膏粉等。

　　1. Gypsum powder can be divided into phosphogypsum powder, desulfurization gypsum powder, citric acid gypsum powder, and fluorogypsum powder according to their physical composition. 2. Gypsum powder can be divided into red gypsum powder, yellow gypsum powder, green gypsum powder, bluestone gypsum powder, white gypsum powder, blue gypsum powder, colored gypsum powder, etc. according to different colors. 3. Gypsum powder can be divided into three types based on their physical characteristics: dolomite gypsum powder, clay gypsum powder, chlorite gypsum powder, snowflake gypsum powder, talc gypsum powder, sand containing gypsum powder, and fiber gypsum powder. 4. Gypsum powder can be divided into building materials gypsum powder, chemical gypsum powder, mold gypsum powder, food gypsum powder, and casting gypsum powder according to their uses.

　　石膏粉在装修中的用途

　　The use of gypsum powder in decoration

　　在室内装修过程中，石膏粉是经常接触到的，二水石膏在水泥工业中用作缓凝剂，就包括在整个建筑行业，也离不开石膏粉，石膏粉别名腻子粉，那么在装修的过程中它主要发挥什么作用呢?它的主要成分是含水的硫酸钙，大部分都呈白色的透明晶体，因有无结晶水分为“软石膏”和“硬石膏”，主要用来砌墙体，勾缝，墙面找平等，还有一种彩色石膏粉还可以起到装饰作用，成本比较低，石膏粉可以作为混凝土膨胀剂、抗裂剂、自流平砂浆的主要原材料，特种水泥生产中用作复合矿化剂等。通常情况下会与胶水兑在一起做墙体腻子来用，主要是墙体的找平的用途。

　　In the process of indoor decoration, gypsum powder is often in contact. Dihydrate gypsum is used as a retarder in the cement industry, including the entire construction industry, and cannot do without gypsum powder. Gypsum powder, also known as putty powder, plays a major role in the decoration process? Its main component is hydrated calcium sulfate, most of which are white transparent crystals. Due to the presence or absence of crystalline moisture, it is called "soft gypsum" and "hard gypsum". It is mainly used for building walls, jointing, and leveling walls. There is also a colored gypsum powder that can serve as a decorative material with relatively low cost. Gypsum powder can be used as the main raw material for concrete expansion agent, crack resistance agent, and self leveling mortar. It is also used as a composite mineralizer in the production of special cement. Usually, it is mixed with glue to make wall putty, mainly for the purpose of leveling the wall.

　　石膏粉的优势与作用石膏粉的主要成分是硫酸钙，不溶于水，化学性质相当稳定。无毒，无腐蚀性。

　　The advantages and functions of gypsum powder. The main component of gypsum powder is calcium sulfate, which is insoluble in water and has relatively stable chemical properties. Non toxic and non corrosive.

　　1、墙体找平在装修中石膏粉一般用来做基层处理的，比如填平缝隙、阴阳角调直、毛坯房墙面第一遍腻子找平等。石膏的粘接度好，不易产生脱落现象。2、制作石膏水泥掺加适量的激发剂可生产硬石膏水泥或胶凝材料，适用于软土地基的加固，墙体粉刷，机械模型，坑道支护及生产纤维压力板等。3、其他作用石膏粉可以作为混凝土膨胀剂、抗裂剂、自流平砂浆的主要原材料，特种水泥生产中用作复合矿化剂等。

　　1. Wall leveling is generally used as a base treatment in decoration, such as filling gaps, straightening internal and external corners, and leveling the first layer of putty on the rough wall of the house. Gypsum has good adhesion and is not prone to detachment. 2. Adding an appropriate amount of activator to gypsum cement can produce hard gypsum cement or cementitious materials, suitable for reinforcing soft soil foundations, wall painting, mechanical modeling, tunnel support, and producing fiber pressure plates. 3. Gypsum powder can be used as the main raw material for concrete expansion agent, crack resistance agent, self leveling mortar, and as a composite mineralizer in the production of special cement.

　　4、粘接力强粉刷石膏与各种墙体基材(粘土砖、水泥砌块、加气混凝土、粉煤灰砖、石膏砌块、现浇混凝土、顶棚等)都能很好地粘结，抹灰时不用刷任何界面剂，直接抹灰，一次成活，抹灰墙面不会出现空鼓、开裂现象。5、表面装饰性粉刷石膏墙面细腻光滑而不起灰，强度高、不收缩，外观典雅，无气味，不返碱，无裂纹。6、防火性能当粉刷石膏抹面厚度为20mm时，耐火极限可达到2小时以上。

　　4. The strong adhesive force of plastering gypsum can bond well with various wall substrates (clay bricks, cement blocks, aerated concrete, fly ash bricks, gypsum blocks, cast-in-place concrete, ceilings, etc.). No interface agent is needed during plastering, and the plastering can be done directly without hollowing or cracking. The plastering wall will not appear hollow or cracked in one go. 5. The surface decorative plastering gypsum wall is delicate and smooth without dust, with high strength, no shrinkage, elegant appearance, no odor, no alkali return, and no cracks. 6. When the thickness of the gypsum plaster is 20mm, the fire resistance limit can reach more than 2 hours.、

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