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膩子粉廠家講解膩子粉掉粉的原因

來源：http://www.wavc.cn 日期：2020-10-29 發布人：

膩子粉是建筑裝飾材料的一種，主要成分是滑石粉和膠水。剛剛購置的毛坯房表面的一層白色是膩子，通常膩子的白度在90以上細度在330以上。

Putty powder is a kind of building decoration materials, the main components are talcum powder and glue. A layer of white putty on the surface of the blank room just purchased is putty. Generally, the whiteness of putty is above 90 and the fineness is above 330.

許多膩子粉使用者不得不承認，膩子膠粉脫粉是一個很嚴重的問題，它會引起乳膠漆的脫落，以及膩子層的起鼓，裂縫，進而引起乳膠漆飾面發生裂縫。

Many users of putty powder have to admit that it is a very serious problem to remove the powder from the putty powder, which will cause the latex paint to fall off, and the putty layer to bulge and crack, and then cause the emulsion paint surface to crack.

膩子粉脫粉掉粉、掉白是目前常見的膩子施工后問題，要了解膩子粉脫粉的原因，首先要了解膩子粉的基本原材料組分與固化原理，然后結合膩子施工時的墻面干燥程度、吸水率，溫度、天氣干燥程度等。今天膩子粉廠家小編談一談膩子粉掉粉的主要原因，一起來看看吧!

It is a common problem after the putty construction that the putty powder degrades and whitens. To understand the reasons of the putty powder removing powder, we should first understand the basic raw material composition and curing principle of the putty powder, and then combine the dryness degree of the wall surface, water absorption rate, temperature and weather dryness degree during the putty construction. Today's putty powder manufacturers to talk about the putty powder powder off the main reason, let's have a look!

濟南膩子粉

原因一

Reason one

膩子的粘結強度不夠造成脫粉，生產廠家一味的降低成本，膠粉的粘結強度差，添加量較小，非常是內墻膩子，粘結強度的大小，脫粉不脫粉和膠粉以及膠水的質量和添加量有很大關系。

The adhesive strength of putty is not enough, which leads to powder shedding. The manufacturers blindly reduce the cost. The adhesive strength of rubber powder is poor, and the addition amount is small, especially for the putty of interior wall. The size of bonding strength and the quality and amount of glue powder and glue have a great relationship.

原因二

Reason two

設計配方不合理，選材的問題和結構的問題，在膩子配方中很重要。比如羥丙基甲基纖維素(HPMC)做內墻不防水的膩子，HPMC雖然很貴，但對雙飛粉，滑石粉，硅灰石粉等填充料不起作用，如果僅使用HPMC就會引起脫粉，而價格低的CMC、CMS反到不脫粉，但是CMC、CMS不能做防水膩子，也不能做外墻膩子，因為CMC和CMS遇到灰鈣粉、白水泥起反應，這都會引起脫粉，也有把聚丙烯酰胺加入灰鈣粉、白水泥做為防水涂料，也會起化學反應引起脫粉。

Unreasonable design formula, material selection and structure are very important in putty formula. For example, hydroxypropyl methylcellulose (HPMC) is not waterproof putty for interior walls. Although HPMC is very expensive, it does not work on fillers such as Shuangfei powder, talcum powder and wollastonite powder. If only HPMC is used, it will cause de dusting. However, CMC and CMS can not be used as waterproof putty or exterior wall putty, because CMC and CMS encounter lime calcium powder and white cement Reaction, which will lead to de powdering, but also add polyacrylamide to lime calcium powder, white cement as waterproof coating, will also cause chemical reaction.

原因三

Reason 3

混合攪拌不均勻，是造成內外墻膩子脫粉的主要原因，全國有的生產廠家生產膩子粉設備簡單，五花八門，不是專用攪拌設備，攪拌不均勻，引起膩子脫粉。

The uneven mixing and mixing is the main reason for the putty powder removing from the internal and external walls. Some manufacturers in China have simple and varied equipment for producing putty powder, which is not a special mixing equipment, and the mixing is uneven, which causes the putty to be powdered.

膩子粉廠家

Putty powder manufacturer

原因四

Reason four

生產工藝的錯誤造成膩子脫粉，如果混合攪拌機沒有清掃的功能，殘留較多，普通膩子中的CMC就會和防水膩子中的灰鈣粉起反應，內墻膩子中的CMC、CMS和外墻膩子的白水泥起反應而造成脫粉。有的公司專用設備設置了清掃口，可以把機器中的殘留物清掃干凈，不僅保證膩子的質量，還可以一機多用，買一臺設備生產多種膩子。

If the mixing mixer does not have the function of cleaning and there is a lot of residue, the CMC in the ordinary putty will react with the lime calcium powder in the waterproof putty, and the CMC and CMS in the inner wall putty will react with the white cement of the exterior wall putty to cause the powder removal. Some company's special equipment is equipped with cleaning mouth, which can clean up the residue in the machine, not only to ensure the quality of putty, but also to use one machine for multiple purposes. Buy one equipment to produce a variety of putty.

原因五

Reason 5

填充料的質量的不同也容易造成脫粉，內外墻膩子大量的使用填充料，但各地重鈣粉、滑石粉里面Ca2CO3的含量不同，酸堿度不同也會造成膩子的脫粉，比如重慶和成都的內墻膩子粉用同樣的膠粉，但滑石粉、重鈣粉不同，在重慶不脫粉，在成都就脫粉，在河南、東北不脫粉，而在一些地區就脫粉。

The quality of the filler is also easy to cause the powder removal. A large number of fillers are used for the putty of internal and external walls. However, the content of ca2co3 in the putty powder of the heavy calcium powder and talc powder in different places and the pH value are different. For example, the same rubber powder is used for the interior wall putty powder of Chongqing and Chengdu, but the talcum powder and the heavy calcium powder are different. They are not powdered in Chongqing, but they are removed in Chengdu, and in Henan and East China In the north, it is not powdered, but in some areas.

原因六

Reason six

夏季外墻膩子的保水不夠，非常是在大樓高層門口、窗口等高溫通風的地方，灰鈣粉和水泥的初凝時間不夠就已失去水份，又沒有養護好，也會嚴重脫粉。

In summer, the water retention of putty for exterior wall is not enough, especially in the high-rise building doors, windows and other places with high temperature and ventilation. If the initial setting time of lime calcium powder and cement is not enough, the moisture will be lost, and the powder will be seriously desorbed if it is not maintained well.

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