Salt Fog

Salt Fog/Corrosion

Overview
Equipment used and installed in outdoor environments are often exposed to salt from roadway deicing, or salty air in coastal environments.  It can be difficult to simulate real world environments due to the natural variability of weather at various locations. There is generally no way to accurately correlate exposure time in a test chamber to the life expectancy of a product. However, accelerated testing in a controlled environment can expose deficiencies in coatings and materials. The object is generally to assess the ability of enclosures, coatings, and paints to resist corrosion.  

Common Standards
• ASTM B117 general test method for operating a salt spray chamber. 
• ASTM G85 test method for modified salt spray testing
• ASTM G87 test method for modified salt spray testing with SO2
• IEC 60068-2-11 Salt Mist
• IEC 60068-2-52 Cyclic Salt Mist 

Common product standards – incorporate 1 or more salt fog/corrosion test
• GR-950-CORE Generic requirements for Optical Network closures and systems – telecom/datacom
• GR-487-CORE Generic requirements for outdoor electronic equipment cabinets -telecom/datacom
• GR-3108-CORE Generic requirements for network equipment in the outside plant- telecom/datacom
• GR-63-CORE NEBS requirements for Central Offices- telecom/datacom
• GR-49-CORE Generic requirements for outdoor telephone NID- telecom
• GR-3160-CORE NEBS requirements for Data Center Equipment - telecom/datacom
• GR-3178-CORE Generic requirements for Wireless Transceiver Facilities
• MIL-STD-810 Military standard, but can often be used for industrial/outdoor products to demonstrate robustness.
• GMW3172, MBN LV124, DC10611, automotive standards for electrical components.
• DNVGL Class Guideline 0339 
• Lloyd’s Register Type Approval System Test Specification Number 1
• IACS UR E10
• ABS Steel Vessels 2019
• BV Marine Rules NR467
• 46 CFR Part 162.060-30

Bureau Veritas Littleton Equipment/Capabilities
• 1 small cyclic salt fog test chamber, 10ft3 , can run standard, cyclic, and moist SO2 tests.
• 1 large steady state salt fog test chamber, 25ft3 runs standard salt fog tests.

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