How to prevent the putty from falling off?

By |2023-04-20T07:14:50+00:00April 20th, 2023|Industry knowledge|

How to prevent the putty from falling off? The putty has lost powder, indicating that the putty has no adhesive strength. There are several reasons for the putty to drop powder: 1. The product quality is not good enough. 2. The water absorption rate of the base is too high (the wall is too dry).