Teknos INFRALIT Powder Coating systems have been designed to fulfill the test methods and testing times defined for specific corrosivity category in ISO 12944-6, even though powder coatings are not covered by the standard.
All systems with a higher durability class also apply to lower classes:
Example 1: C4 medium also equals C3 high - and lower
Example 2: C5 high also equals C4 very high - and lower
If you need further assistance feel free to contact your local technical service professionals.