Here at KIKBLOX, we understand the critical role your enclosures play in protecting sensitive electrical components. One of the biggest threats to the longevity and functionality of these enclosures is corrosion. That’s why we adhere to the rigorous standards set forth by ISO 12944: Paints and varnishes – Corrosion protection of steel structures by protective paint systems.
What is ISO 12944?
First published in 1998, ISO 12944 is an internationally recognized standard developed by a collaborative effort of industry experts from around the world. This standard ensures a consistent and reliable approach to corrosion protection for steel structures, including electrical enclosures.
Why is ISO 12944 Important?
By adhering to ISO 12944, we can guarantee our customers several key benefits:
- Enhanced Durability: The standard outlines a comprehensive process for selecting the right protective paint systems based on the specific environment your electrical enclosure will be operating in. This ensures optimal protection against corrosion, extending the lifespan of your equipment.
- Improved Performance: Corrosion can lead to malfunctions and safety hazards. ISO 12944 helps to select coatings that maintain the structural integrity and functionality of your enclosures for years to come.
- Reduced Maintenance Costs: By preventing corrosion, you can minimize the need for frequent maintenance and repairs, saving you time and money in the long run.
What Does ISO 12944 Cover?
ISO 12944 is a comprehensive standard comprised of nine parts. Some of the key components are:
- Environment Classification: The standard establishes a system for classifying different environmental conditions based on their corrosivity levels. This helps us determine the appropriate level of protection needed for your enclosures.
- Protective Paint Systems: ISO 12944 provides guidance on selecting the most suitable paint systems for various environments. This includes factors like the number of paint coats, types of coatings, and minimum dry film thickness.
- Laboratory Test Methods: The standard outlines various laboratory tests used to assess the performance and effectiveness of different paint systems. This ensures the chosen coatings can withstand the expected environmental stresses.
- Offshore Considerations: For enclosures destined for offshore applications, ISO 12944 offers specific test methods to evaluate the coatings’ resistance to harsh marine environments.
By following the ISO 12944 standard, KIKBLOX is committed to providing you with the highest quality enclosures that deliver lasting performance and reliable protection in even the most challenging environments.
Corrosion Classification According to ISO 12944
Corrosion Testing Methods:
ISO 12944 outlines two main laboratory tests used to assess the performance of paint systems:
- Neutral Salt Spray (NSS) Test: This accelerated test exposes coated samples to a continuous fog of salt spray, simulating a marine environment. The test duration varies depending on the desired durability rating for a specific corrosion class. For example, a C4 environment with a Very High durability rating might require a longer NSS test compared to a C3 environment with a High durability rating.
- Cyclic Corrosion Test (CCT): This test simulates real-world environmental conditions by exposing coated samples to alternating cycles of salt spray, humidity, and drying. It provides a more realistic assessment of coating performance compared to the NSS test. The specific cycles and durations are chosen based on the targeted corrosion class and durability rating.
By combining durability ratings and corrosion testing methods, ISO 12944 ensures that electrical enclosures are equipped with the appropriate level of protection to withstand the challenges of their intended environment. This translates to extended lifespan, reduced maintenance costs, and enhanced safety for your electrical components.
