1. We can first polish the putty powder, and the polished putty will have some small traces, which is helpful to the adhesion of the paint, but the sand mark of the putty is too thick, which is easy to affect the smoothness of the surface. Therefore, after the putty is completely dry, we can distinguish the quality of putty powder by polishing the wall.

2、還可以看膩?zhàn)臃鄣耐獍b，是否有標(biāo)注品牌、系列型號(hào)等這類(lèi)詳細(xì)產(chǎn)品詳細(xì)信息。另外還需要看膩?zhàn)臃鄣纳a(chǎn)成分，是否帶有膠粉，建議選擇較為環(huán)保的產(chǎn)品，這樣使用起來(lái)不易產(chǎn)生裝修污染。

2. Can also see the putty powder packaging, whether there is a label brand, series model and other details of such products. In addition, we also need to see the production composition of putty powder and whether it has rubber powder. It is suggested to choose more environmentally friendly products, which is not easy to produce decoration pollution.

3、膩?zhàn)臃凼欠衲退彩桥袛喈a(chǎn)品好壞的因素之一，如果耐水性強(qiáng)，在潮濕的環(huán)境不易出現(xiàn)霉變現(xiàn)象，還有助于膩?zhàn)幽さ某尚停瑴p少出現(xiàn)開(kāi)裂、脫落等問(wèn)題。

3. Whether the putty powder is water-resistant is also one of the factors to judge whether the product is good or bad. If it has strong water resistance, it is not easy to mildew in the humid environment, and it is also helpful to the molding of the putty film, reducing the cracking, falling off and other problems.

4、好的膩?zhàn)臃墼趦?nèi)墻涂刮后，可使用十多年以上，但如果是質(zhì)量較差的膩?zhàn)臃郏褂媚晗迍t有大打折扣。雖然短時(shí)間無(wú)法辨別出來(lái)，但我們可以進(jìn)行局部墻面的實(shí)驗(yàn)，來(lái)分別膩?zhàn)臃鄣膬?yōu)劣。

4. Good putty powder can be used for more than ten years after being applied to the inner wall, but if it is of poor quality, the service life will be greatly reduced. Although it can't be distinguished in a short time, we can carry out experiments on local walls to distinguish the advantages and disadvantages of putty powder.