石膏粉和膩子粉在以下方面存在區別：

There are differences between gypsum powder and putty powder in the following aspects:

性能特點

Performance characteristics

石膏粉：

gesso:

凝結速度快：加水攪拌后，能在較短時間內凝結硬化，一般數分鐘到半小時內就會失去可塑性。

Fast setting speed: After adding water and stirring, it can solidify and harden in a short time, usually losing its plasticity within a few minutes to half an hour.

硬度較高：凝結后強度較高，特別是用于嵌縫、填補孔洞時，能提供較好的支撐和固定作用。

High hardness: After solidification, the strength is high, especially when used for joint filling and hole filling, which can provide good support and fixation.

防火性能好：屬于無機非燃燒材料，具有良好的防火性能，在高溫下能保持一定的結構穩定性。

Good fire resistance: It belongs to inorganic non combustible materials and has good fire resistance. It can maintain certain structural stability at high temperatures.

保溫隔熱：具有一定的保溫隔熱性能，能在一定程度上調節室內溫度。

Thermal insulation: It has certain thermal insulation performance and can regulate indoor temperature to a certain extent.

膩子粉：

Putty powder:

質地細膩：顆粒較細，施工后表面光滑平整，能為后續的裝飾施工提供良好的基層。

Fine texture: The particles are relatively fine, and the surface is smooth and even after construction, providing a good base for subsequent decoration construction.

粘結性強：與基層墻面的粘結牢固，能有效防止脫落和開裂現象。

Strong adhesion: The adhesion with the base wall is firm, which can effectively prevent detachment and cracking.

耐水性不同：分為一般型膩子（Y 型）和耐水型膩子（N 型）。一般型膩子不耐水，遇水容易軟化；耐水型膩子具有較好的耐水性和耐堿性，能適應潮濕環境。

Different water resistance: divided into general putty (Y type) and water-resistant putty (N type). General putty is not water-resistant and easily softens when exposed to water; Water resistant putty has good water resistance and alkali resistance, and can adapt to humid environments.

打磨性好：干燥后質地較軟，用砂紙打磨容易，便于施工人員對墻面進行平整和光滑處理。

Good polishing performance: After drying, the texture is soft and easy to polish with sandpaper, making it convenient for construction personnel to level and smooth the wall surface.

施工方法

Construction method

石膏粉：使用時通常需要加入適量的添加劑，如緩凝劑、沙子等，調配成石膏砂漿或其他石膏制品后才能使用，不能單獨使用。施工時，對于較大的孔洞和縫隙，先將石膏粉調成糊狀，然后用工具填入孔洞或縫隙中，進行嵌縫和填補。

Gypsum powder: It is usually necessary to add an appropriate amount of additives, such as retarders, sand, etc., and mix them into gypsum mortar or other gypsum products before use. It cannot be used alone. During construction, for larger holes and gaps, first mix the gypsum powder into a paste, and then use tools to fill the holes or gaps for jointing and filling.

膩子粉：一般直接兌水攪拌均勻即可施工。施工時，用刮板將膩子粉均勻地刮涂在墻面上，進行打底找平。通常需要刮涂多遍，每遍厚度不宜過厚，待上一遍膩子干燥后，再進行下一遍刮涂，最后進行打磨處理。

Putty powder: Generally, it can be directly mixed with water and stirred evenly before construction. During construction, use a scraper to evenly apply putty powder to the wall surface for base leveling. Usually, it is necessary to apply multiple layers of putty, and the thickness of each layer should not be too thick. After the previous layer of putty dries, the next layer of putty should be applied, and finally polished.

適用場景

Applicable scenarios

石膏粉：主要用于建筑裝修中的嵌縫、填補孔洞、陰陽角的修直等。例如，在石膏板吊頂的安裝中，用于填補板與板之間的縫隙；在墻面施工中，用于修補較大的坑洼和裂縫。此外，還可用于制作石膏線條、石膏裝飾品等。

Gypsum powder: mainly used for joint filling, hole filling, and straightening of internal and external corners in building decoration. For example, in the installation of gypsum board ceilings, it is used to fill the gaps between boards; Used for repairing large potholes and cracks in wall construction. In addition, it can also be used to make gypsum lines, gypsum decorations, etc.

膩子粉：主要用于墻面和頂面的打底找平，是在刷乳膠漆、貼壁紙等裝飾施工前的基礎處理材料。通過膩子粉的刮涂，可以使墻面表面平整光滑，減少基層的不平整對后續裝飾效果的影響。

Putty powder: mainly used for base leveling of walls and ceilings, it is a basic treatment material before decorative construction such as painting latex paint and pasting wallpaper. By scraping and applying putty powder, the surface of the wall can be made smooth and even, reducing the impact of uneven base on subsequent decorative effects.

外觀手感

Appearance and feel

石膏粉：顏色通常為灰白色，光澤度偏暗。手感較為粗糙，顆粒感明顯。

Gypsum powder: usually gray white in color, with a dull luster. The texture is rough and the graininess is obvious.

膩子粉：顏色多為雪白色，光澤度較好。手感細膩光滑，幾乎沒有顆粒感

Putty powder: The color is mostly snow white with good glossiness. The touch is delicate and smooth, with almost no graininess

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