1、 What is the difference between white powder and putty powder

很多人不知道大白粉和膩子粉的區別是什么，嚴格來說，大白粉就是膩子粉的一種，目前大白粉已經被淘汰了，因為有相關的規定，所有建筑施工都不能再用大白粉來批膩子了。

Many people don't know the difference between big white powder and putty powder. Strictly speaking, big white powder is a kind of putty powder. At present, big white powder has been eliminated. Because there are relevant regulations, big white powder can't be used for putty in all building construction.

1、大白粉

1. Big white powder

大白粉是一種化學粘合劑，易溶于水，以前被廣泛的用于墻面和頂棚的修復。使用這種產品也挺不錯的，不會出現掉色的情況，但是特別怕水，如果墻面長期處于潮濕的環境中，輕輕一刮就會大片大片的脫落，現在基本已經沒有人用了。

White powder is a kind of chemical adhesive, which is easy to dissolve in water. It was previously widely used in the repair of walls and ceilings. It's also very good to use this product. It won't lose color, but it's especially afraid of water. If the wall is in a humid environment for a long time, large pieces of it will fall off with a gentle scraping. Now it's almost no longer used.

2、膩子粉

2. Putty powder

膩子粉是用少量的漆料作為基材，加入大量的填料和顏料調制而成的，顏色的種類比較豐富，用得比較多的有紅色、黑色以及白色等等，填料的材質主要有重質碳酸鈣、羧甲基纖維素鈉、雙飛粉、預糊化淀粉、以及滑石粉等等，非常適合用于填補墻體表面有局部凹陷的地方。

Putty powder is prepared by using a small amount of paint as the base material and adding a large amount of fillers and pigments. It has a rich variety of colors, such as red, black and white. The filler materials mainly include heavy calcium carbonate, sodium carboxymethyl cellulose, Shuangfei powder, pregelatinized starch, talc powder, etc., which are very suitable for filling local depressions on the wall surface.

膩子粉的透氣性非常好，即使處于潮濕的環境中也不會像大白粉那樣出現掉粉的現象。刮膩子粉對施工的要求比較高，如果技術高的話，基本不會出現空鼓、開裂以及起皮等現象。

The air permeability of putty powder is very good. Even in a humid environment, there will be no powder dropping like big white powder. Puttying powder has high requirements for construction. If the technology is high, there will be no hollowing, cracking and peeling.

二、膩子粉該怎么用

2、 How to use putty powder

1、刮膩子粉前應該確保墻體堅實，墻面干凈平整，沒有顆粒狀的臟東西，更不能有水，使膩子粉可以更好的吸附在基層墻體上。

1. Before applying putty powder, ensure that the wall is solid, clean and flat, without granular dirt and water, so that the putty powder can be better adsorbed on the base wall.

2、如果碰到基層墻體非常干燥的，要先將墻體打濕，然后用防水性能好的膠水進行封底，才能進行刮膩子粉的步驟。

2. If the base wall is very dry, wet the wall first, then seal the bottom with glue with good waterproof performance, and then carry out the step of applying putty powder.

3、如果是剛剛抹完會的水泥墻，要過完養護期以后才能進行刮膩子粉的步驟。

3. If the cement wall has just been plastered, the putty powder can only be applied after the curing period.

4、調膩子粉要嚴格按照1:0.5的比例，攪拌均勻后需要放置20分鐘，再攪拌一次才可以使用。

4. The putty powder shall be mixed in strict accordance with the ratio of 1:0.5. It shall be placed for 20 minutes after being evenly mixed, and it can be used only after being stirred again.

5、一般刮膩子粉的次數不能太多，兩次佳，因為太薄達不到效果，太厚容易出現開裂和脫落的情況。需要特別注意在刷二次膩子粉之前，一定要保證一遍膩子粉已經干透才行。

5. Generally, the number of times to apply putty powder should not be too many. It is better to apply putty powder twice, because it is too thin to achieve the effect, and it is easy to crack and fall off if it is too thick. Special attention shall be paid to ensure that the first coat of putty powder has been completely dried before applying the second coat of putty powder.

6、兩遍膩子粉都干了要進行打磨，然后盡快進行裝飾墻壁的步驟。

6. When the putty powder is dry for two times, polish it, and then carry out the steps of decorating the wall as soon as possible.

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