Color steel composite board glue manufacturers introduce how to use foam spray glue

The relevant person of the color steel composite board glue manufacturer said that the main methods of using foam spray glue are:
Step 1. Before construction, the dust and dirt on the adhesive surface should be removed to keep it clean;
Step 2. After applying the glue, wait for 20 seconds before closing it. This will make it stick more firmly. Sometimes, the air temperature and humidity may affect the drying time of the foam glue;
But we can grasp the time by observation, first let it dry for five seconds, then touch the adhesive surface every second and then quickly pull it apart.