It is a polyester-based, two-component, highly adhesive and filling, non-shrinkage and non-cracking, easy sanding product designed for galvanized and aluminum surfaces. It should be applied by admixing thoroughly with 1-3% polyester paste hardener (BPO). The mixture should be used within 5-10 minutes at 20°C. After 30 minutes, it will be ready for sanding.