In order to avoid defects and pollution of the varnish coating during work, all doors and windows in the room must be closed. The humidity in the room should not exceed 50 percent, and the temperature should be within 15-22 degrees.
In order to avoid defects and pollution of the varnish coating during work, all doors and windows in the room must be closed. The humidity in the room should not exceed 50 percent, and the temperature should be within 15-22 degrees.