Putty application - Aluminium VOC 45 1. Preparation for putty Clean carefully with 70-45 Sand the damage with P 150 For small repairs, keep the sanding area as small as possible 2. Mixing ratio of putty Putty 12-20 100% Hardener 56-20 3% Mix until uniform color. Dry properties 20 min at 20°C 4 min short wave 3. Sanding steps Hand block the putty first with P 150 4. Sanding steps Fine sand the area with orbit machine: P 240 Suround area with P 320 5. Cleaning steps Clean carefully with 70-45 before applying undercoat Repair Steps Putty Start working with baslac today. It just makes sense. Contact us Get in touch with your local baslac dealer now and start working smarter. Find a dealer near you