| • | Fig.6 shows an example of anti-chemicals properties of Alstar and 55% Al-Zn. The two products are almost equal in this respect. However in the acid area with a low pH, Alstar is slightly superior. |
| a) | Basic solution :Water solution containing 1g/l of Na2SO4 |
| b) | Adjustment of pH solution: acid side: adjusted with H2SO4 alkaline side: adjusted with NaOH |
| c) | Test method: Test specimen (30 x 60cm) immersed in solution 24 hours and corrosion-attributed weight reduction (g/m2) measured |
