Due to the high viscosity of cellulose, which also enhances the buoyancy of putty, also avoids the phenomenon of flow hanging in the construction, and after scraping up more comfortable, labor saving, etc. The cellulose ether in the powder putty should be appropriately added more, its production and use are more convenient, filling material and additives dry powder can be evenly mixed, the construction is more convenient, on-site water distribution.