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Salt Mist Testing: The Key to Protecting Your Products

Salt mist testing, also known as salt mist corrosion testing, is a crucial method used to determine the corrosion resistance of materials and products when exposed to harsh environments. This article explores the importance of salt mist testing and its significance in safeguarding your products against corrosion. We will delve into the details of salt mist test chambers, The IEC 61701 salt mist corrosion test, and its applications, emphasizing its role in protecting solar modules. By understanding the significance of salt mist testing, You can ensure that your products withstand challenging conditions, enhancing their durability and reliability.

Salt mist testing is an essential procedure utilized to evaluate the corrosion resistance of materials and products exposed to a controlled and corrosive salt spray environment. Salt mist testing involves the exposure of materials and products to a controlled, corrosive salt spray environment. This testing method aims to simulate the effects of salt-laden atmospheres on various materials and products. By subjecting items to continuous salt mist exposure, Their resistance to corrosion can be assessed. Salt mist tests are typically conducted in specialized chambers designed to create a controlled corrosive environment.

salt mist test
Equipment Model TST-NSS-CASS-108L TST-NSS-CASS-270L TST-NSS-CASS-480L
Inside Test Room (mm) 600x450x400 900x600x500 1200x800x500
External Dimension(mm) 1050x600x1180 1400x900x1280 1900x1100x1400
Testing Room Temp Salt test (NSS ACSS)35℃ ±1℃ Corrosion Test (CASS)50℃ ±1℃
Pressure Barrel Temp Salt test (NSS ACSS)47℃±1℃ Corrosion Test (CASS)63℃±1℃
Brine Temperature 35℃ ±1℃, 50℃ ±1℃    
Testing Room Capacity 108 Liters 270 Liters 480 Liters
Brine Tank Capacity 15 Liters 25 Liters 40 Liters
Salt Concentration The concentration of sodium chloride 5% or the 5% concentration of sodium chloride add 0.26g per liter of copper chloride (CuCl2 2H2O)
Air Pressure Supply 1.00 ± 0.01 kgf/cm2 1.00 ± 0.01 kgf/cm2 1.00 ± 0.01 kgf/cm2
Relative Humidity 85% Above 85% Above 85% Above
PH Value Description 6.5~ 7.2 3.0~ 3.2 6.5~ 7.2 3.0~ 3.2 6.5~ 7.2 3.0~ 3.2

Salt mist testing is a vital tool in assessing the corrosion resistance of materials and products in harsh environments. By subjecting items to controlled salt spray conditions, manufacturers can identify potential vulnerabilities and develop strategies to enhance the longevity and reliability of their products. The IEC 61701 salt mist corrosion test for solar modules is crucial in ensuring their performance and durability under coastal or maritime conditions. By adhering to established salt mist test standards, manufacturers can have confidence in the resilience of their products to corrosive environments, thereby protecting their reputation and customer satisfaction.

The International Electrotechnical Commission (IEC) developed the IEC 61701 standard as a common method to assess salt mist corrosion resistance specifically for solar modules. This test involves subjecting solar modules to a salt mist environment to evaluate their durability and performance. The IEC 61701 salt mist corrosion test plays a vital role in assessing the long-term impact of salt-laden atmospheres on solar modules, helping manufacturers develop modules capable of withstanding coastal or maritime environments.

corrosion testing lab

Salt mist testing follows established standards to ensure uniformity and reliability of test results. The most commonly used salt mist test standards include ASTM B117 and ISO 9227. These standards provide guidelines for conducting salt mist tests on various materials and products, allowing manufacturers to evaluate their corrosion resistance accurately. Additionally, industry-specific standards, such as the IEC 61701 for solar modules, provide specific protocols tailored to meet the unique challenges faced by different industries.

Salt mist test chambers are specifically engineered to replicate real-world salt-laden conditions. These chambers allow for precise control of temperature, humidity, and salt concentration, enabling accurate and repeatable testing. They consist of a testing chamber, a salt solution reservoir, a spraying system, and a control panel to monitor and regulate the test parameters. Salt mist test chambers are indispensable tools for evaluating materials’ corrosion resistance and assessing the lifespan of products in challenging environments.

Solar modules are extensively exposed to environmental conditions, including high levels of humidity and salt-laden air near coastlines or offshore installations. Salt mist testing for solar modules ensures their reliability and performance in such hazardous environments. Modules that demonstrate good corrosion resistance can maintain optimal energy production levels, reducing maintenance costs and enhancing customer satisfaction. The IEC 61701 salt mist corrosion test acts as a reliable indicator of a solar module’s ability to withstand long-term exposure to corrosive atmospheres.

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