Mipa P 911 is a two-component polyester filling putty that is easy to sand. It can be used to equalize irregularities, close pinholes, and repair small scratches on vehicle bodies. It adheres well to metals and reinforced materials. The putty has excellent bending strength and stability on vertical surfaces. It requires a 2% hardener by weight and can be sanded after 20 minutes. Proper ventilation is needed when using and the putty cannot be removed once fully cured.