Putty powder is a kind of building decoration materials, the main components are talcum powder and glue. Just bought a layer of white on the surface of the blank room is putty, usually the whiteness of putty is more than 90, fineness is more than 330.

膩?zhàn)邮怯脕?lái)墻面修補(bǔ)的一種基材鹏亥，為下一步裝飾（刷油漆貼壁紙）打下良好的基礎(chǔ)。

Putty is a kind of base material used for wall repair, which lays a good foundation for the next decoration (painting and wallpaper).

膩?zhàn)臃譃閮?nèi)墻和外墻兩種乔胆，外墻膩?zhàn)右挚癸L(fēng)吹日曬所以膠性大鳖建、強(qiáng)度高，環(huán)保指數(shù)稍低济季。內(nèi)墻膩?zhàn)泳C合指數(shù)較好淌窄，健康環(huán)保，所以?xún)?nèi)墻不外用，外墻不內(nèi)用权炫。

Putty can be divided into interior wall and exterior wall. Exterior wall putty is resistant to wind and sun, so it has high gel, high strength and low environmental protection index. The composite index of interior wall putty is good, healthy and environmental protection, so the interior wall is not for external use, and the exterior wall is not for internal use.

通常膩?zhàn)邮鞘嗷蛘咚嗷拿叮@樣表面粗糙比較容易粘接牢固。但是在施工的時(shí)候還是要在基層上涂刷一層界面劑來(lái)封固基層同時(shí)提高墻面的附著力焙恬，讓膩?zhàn)幽軌蚋玫恼辰Y(jié)在基面上硝荚。

Usually putty is gypsum or cement-based, so the surface is rough and easy to bond firmly. But in the construction, we should brush a layer of interface agent on the base to seal the base, and improve the adhesion of the wall, so that the putty can be better bonded on the base.

許多膩?zhàn)臃凼褂谜卟坏貌怀姓J(rèn)，膩?zhàn)幽z粉脫粉是一個(gè)很?chē)?yán)重的問(wèn)題琢窗，它會(huì)引起乳膠漆的脫落，以及膩?zhàn)訉拥钠鸸纳硅荆芽p嫂伞，進(jìn)而引起乳膠漆飾面發(fā)生裂縫。

Many users of putty powder have to admit that it is a very serious problem for putty powder to come off. It will cause the peeling off of emulsion paint, the bulging and cracking of putty layer, and then the cracking of emulsion paint finish.

膩?zhàn)臃勖摲鄣舴壅辍⒌舭资悄壳俺Ｒ?jiàn)的膩?zhàn)邮┕ず髥?wèn)題帖努，要了解膩?zhàn)臃勖摲鄣脑颍紫纫私饽佔(zhàn)臃鄣幕驹牧辖M分與固化原理粪般，然后結(jié)合膩?zhàn)邮┕r(shí)的墻面干燥程度拼余、吸水率，溫度亩歹、天氣干燥程度等匙监。

Putty powder off powder, off white is the common putty construction problems, to understand the reasons for putty powder off powder, first to understand the basic raw material components of putty powder and curing principle, and then combined with the putty construction of the wall dry degree, water absorption, temperature, weather dry degree.

今天福華建材小編找出了膩?zhàn)臃鄣舴鄣闹饕颍黄饋?lái)看看吧小作！

Today, Fuhua building materials Xiaobian found out the main reason of putty powder off powder, let's have a look!

原因一

Reason one

膩?zhàn)拥恼辰Y(jié)強(qiáng)度不夠造成脫粉亭姥，生產(chǎn)廠家一味的降低成本，膠粉的粘結(jié)強(qiáng)度差顾稀，添加量較小达罗，特別是內(nèi)墻膩?zhàn)樱辰Y(jié)強(qiáng)度的大小陋沫，脫粉不脫粉和膠粉以及膠水的質(zhì)量和添加量有很大關(guān)系放干。

The adhesive strength of putty is not enough, which leads to powder removal. The manufacturer blindly reduces the cost. The adhesive strength of rubber powder is poor, and the amount of addition is small. Especially for the interior wall putty, the adhesive strength, powder removal without powder removal are closely related to the quality and amount of rubber powder and glue.

原因二

The second reason

設(shè)計(jì)配方不合理，選材的問(wèn)題和結(jié)構(gòu)的問(wèn)題岁之，在膩?zhàn)优浞街泻苤匾植省１热缌u丙基甲基纖維素（HPMC）做內(nèi)墻不防水的膩?zhàn)樱琀PMC雖然很貴嫁慌，但對(duì)雙飛粉坚达，滑石粉，硅灰石粉等填充料不起作用爆始，如果僅使用HPMC就會(huì)引起脫粉鹦卫，而價(jià)格低的CMC、CMS反到不脫粉，但是CMC沥萄、CMS不能做防水膩?zhàn)油展Γ膊荒茏鐾鈮δ佔(zhàn)樱驗(yàn)镃MC和CMS遇到灰鈣粉冒窍、白水泥起反應(yīng)递沪，這都會(huì)引起脫粉，也有把聚丙烯酰胺加入灰鈣粉综液、白水泥做為防水涂料款慨，也會(huì)起化學(xué)反應(yīng)引起脫粉。

Unreasonable design formula, material selection and structure are very important in putty formula. For example, hydroxypropyl methylcellulose (HPMC) is used as non waterproof putty for interior wall. Although HPMC is very expensive, it does not work for filling materials such as Shuangfei powder, talcum powder and wollastonite powder. If only HPMC is used, it will cause powder removal. However, CMC and CMS with low price can not be used as waterproof putty or exterior wall putty, because CMC and CMS meet with lime powder, talcum powder and silica fume powder White cement reacts, which will cause depigmentation. In addition, adding polyacrylamide into lime calcium powder and white cement as waterproof coating will also cause chemical reaction to cause depigmentation.

原因三

The third reason

混合攪拌不均勻谬莹，是造成內(nèi)外墻膩?zhàn)用摲鄣闹饕蜷莸欤珖?guó)有的生產(chǎn)廠家生產(chǎn)膩?zhàn)臃墼O(shè)備簡(jiǎn)單，五花八門(mén)附帽，不是專(zhuān)用攪拌設(shè)備埠戳，攪拌不均勻，引起膩?zhàn)用摲邸?/div>