Causes and Mechanism Analysis of Delamination During Sanding of Water-Resistant Putty
After water-resistant putty has dried, sanding does not always produce uniform powdering or an evenly flattened surface. In some cases, the putty is lifted off in patches by the sandpaper, with localized peeling, delamination, or shelling. Many people simply attribute this to the putty being too ...
危险品化学品经营许可证（带存储）