2. If the cement mortar cracks or the joint cracks, the joint treatment shall be carried out again, which can reach 100 years of advanced joint treatment of the joint line, and the putty shall be applied.

　　膩?zhàn)臃勰ゴ质侵改佔(zhàn)臃叟位睿ド昂鄞郑斐蛇@種現(xiàn)象的原因:

　　Coarseness of putty grinding means that the putty powder is scraped alive and the grinding mark is thick, which causes this phenomenon:

　　1. 磨料太厚。

　　1. The abrasive is too thick.

　　2. 膩?zhàn)臃叟c其他物質(zhì)混合。

　　2. Putty powder is mixed with other substances.

　　3.油灰不干燥。

　　3. The putty is not dry.

　　4. 防水膩?zhàn)臃鄹傻锰欤３譂駶檿r(shí)間短，粘結(jié)強(qiáng)度達(dá)不到正常。

　　4. The waterproof putty powder dried too fast, kept wet for a short time, and the bonding strength was not up to normal.

　　防止膩?zhàn)臃鄞帜サ拇胧?

　　Measures to prevent rough grinding of putty powder:

　　1、選擇360#- 600#砂紙打磨。

　　1. Select 360 × 600 × sandpaper for grinding.

　　2. 混合膩?zhàn)臃蹠r(shí)只加水。

　　2. Only add water when mixing putty powder.

　　3、膩?zhàn)哟蚰r(shí)，應(yīng)干燥至80%以上。

　　3. When the putty is polished, it shall be dried to more than 80%.

　　4. 施工中應(yīng)根據(jù)環(huán)境氣候，適當(dāng)控制膩?zhàn)拥母稍飼r(shí)間。

　　4. The drying time of putty shall be properly controlled according to the environmental climate during construction.

　　整改措施:底漆后用細(xì)砂紙打磨或用滑石粉劃傷。

　　Rectification measures: Polish with fine sandpaper or scratch with talcum powder after primer.

　　以上是濟(jì)南膩?zhàn)臃蹚S家為大家介紹的相關(guān)內(nèi)容，想要了解更多內(nèi)容，歡迎訪問網(wǎng)站：http://www.netjobs.ccThe above is the relevant content introduced by Jinan putty powder manufacturer. To learn more, please visit the website: http://www.netjobs.cc