One day at Revinge training field resulted in five tests with Pulverlansen. Three of them was using different attacks against a room fire and the last two showed the ability to prevent a backdraft from developing using Pulverlansen. The result shows that 2x12kg powder with Pulverlansen will knock down flames, make the temperature drop about 400 °C and keep the fire from recovering for about 10 min. It also showed that you can make the smoke non-combustible preventing a backdraft from developing. Read the full report by clicking on the link. It is only available in Swedish at the moment but the report has many pictures and figures that speak for them selfs.