石膏粉的作用有哪些？在裝修中有什么用途?石膏粉通常是白色或是透明的粉末狀晶體，在家庭裝修中是不可缺少的裝修材料，既然是裝修中使用的，那肯定有它所特有的功效，今天就給大家講講石膏粉在裝修中的用途和作用。

　　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.

　　石膏粉分類

　　Classification of gypsum powder

　　石膏粉是裝修中常見的一種墻面等基層處理材料，它在墻面裝修上非常重要。石膏的應(yīng)用由來已久，但是早期只是用來制粉筆、做膩?zhàn)印⒆龆垢妥龊?jiǎn)單工藝品等，缺少深入地研究開發(fā)；

　　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、石膏粉根據(jù)物理成份的不同可分為：磷石膏粉、脫硫石膏粉、檸檬酸石膏粉和氟石膏粉等。2、石膏粉根據(jù)顏色的不同可分為：紅石膏粉、黃石膏粉、綠石膏粉、青石膏粉、白石膏粉、藍(lán)石膏粉、彩色石膏粉等。3、石膏粉根據(jù)物理特征的不同可分為：白云質(zhì)石膏粉、粘土質(zhì)石膏粉、綠泥石石膏粉、雪花石膏粉、滑石石膏粉、含砂質(zhì)石膏粉和纖維石膏粉等。4、石膏粉根據(jù)用途可分為：建材用石膏粉、化工用石膏粉、模具用石膏粉、食品用石膏粉和鑄造用石膏粉等。

　　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.

　　石膏粉在裝修中的用途

　　The use of gypsum powder in decoration

　　在室內(nèi)裝修過程中，石膏粉是經(jīng)常接觸到的，二水石膏在水泥工業(yè)中用作緩凝劑，就包括在整個(gè)建筑行業(yè)，也離不開石膏粉，石膏粉別名膩?zhàn)臃郏敲丛谘b修的過程中它主要發(fā)揮什么作用呢?它的主要成分是含水的硫酸鈣，大部分都呈白色的透明晶體，因有無結(jié)晶水分為“軟石膏”和“硬石膏”，主要用來砌墻體，勾縫，墻面找平等，還有一種彩色石膏粉還可以起到裝飾作用，成本比較低，石膏粉可以作為混凝土膨脹劑、抗裂劑、自流平砂漿的主要原材料，特種水泥生產(chǎn)中用作復(fù)合礦化劑等。通常情況下會(huì)與膠水兌在一起做墻體膩?zhàn)觼碛茫饕菈w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.

　　石膏粉的優(yōu)勢(shì)與作用石膏粉的主要成分是硫酸鈣，不溶于水，化學(xué)性質(zhì)相當(dāng)穩(wěn)定。無毒，無腐蝕性。

　　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、墻體找平在裝修中石膏粉一般用來做基層處理的，比如填平縫隙、陰陽角調(diào)直、毛坯房墻面第一遍膩?zhàn)诱移降取Ｊ嗟恼辰佣群茫灰桩a(chǎn)生脫落現(xiàn)象。2、制作石膏水泥摻加適量的激發(fā)劑可生產(chǎn)硬石膏水泥或膠凝材料，適用于軟土地基的加固，墻體粉刷，機(jī)械模型，坑道支護(hù)及生產(chǎn)纖維壓力板等。3、其他作用石膏粉可以作為混凝土膨脹劑、抗裂劑、自流平砂漿的主要原材料，特種水泥生產(chǎn)中用作復(fù)合礦化劑等。

　　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、粘接力強(qiáng)粉刷石膏與各種墻體基材(粘土磚、水泥砌塊、加氣混凝土、粉煤灰磚、石膏砌塊、現(xiàn)澆混凝土、頂棚等)都能很好地粘結(jié)，抹灰時(shí)不用刷任何界面劑，直接抹灰，一次成活，抹灰墻面不會(huì)出現(xiàn)空鼓、開裂現(xiàn)象。5、表面裝飾性粉刷石膏墻面細(xì)膩光滑而不起灰，強(qiáng)度高、不收縮，外觀典雅，無氣味，不返堿，無裂紋。6、防火性能當(dāng)粉刷石膏抹面厚度為20mm時(shí)，耐火極限可達(dá)到2小時(shí)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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