Precautions for polyurethane foam caulking

Remove dirt and grease on the surface of the substrate, and spray the area to be filled with a little water mistConstruction and use within the temperature range of 0℃ ~ 40℃. If construction is carried out in cold seasons, in order to ensure the use effect , it is recommended to preheat the tank in a 30°C environmentShake it up and down for more than…