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Gas Corrosion Testing

1. Gas Corrosion Test Introduction:

The gas corrosion test utilizes gases such as sulfur dioxide, nitrogen dioxide, chlorine, and hydrogen sulfide to accelerate corrosion on materials or products under specific temperature and relative humidity conditions. It reproduces the damage level that materials or products would suffer within a certain time frame and allows for the comparison of the quality of similar protective coatings. It is used to determine the adaptability of components, electronic elements, metal materials, electrical and electronic products' protective coatings, and industrial products when working or stored in mixed gas environments, especially the corrosion resistance of contacts and connectors.

2. Gas Corrosion Test Reference Standards:

Test Item

Test Standards

Gas Corrosion Test

ISO 16750-4-2006: Environmental conditions and testing for electrical and electronic equipment - Climatic conditions

EIA-364-65A-1997: Mixed flowing gas test for electrical connectors

GB2423.51-2000: Environmental testing for electric and electronic products

ASTM B845-97(2008): Standard guide for mixed flowing gas (MFG) tests for electrical contacts

GB/T 5170.11-2008: Inspection methods for environmental testing equipment of electric and electronic products - Corrosive gas testing equipment

GB/T2423.51-2000: Environmental testing for electric and electronic products - Test Ke: Flowing mixed gas corrosion test

3. Gas Corrosion Test Application Areas:

Components, electronic elements, metal materials, electrical and electronic products' protective coatings, and industrial products.

4. Gas Corrosion Test Equipment Parameters:

Temperature range: (25~50)°C

Humidity range: (60%~90%) RH

Chamber dimensions: 500×500×720mm

5. GTS Testing Advantages:

GTS Testing Laboratory's mixed gas corrosion test chamber uses the latest micro-gas quantitative pump VCP-2MF for constant flow mixing, combined with a built-in refrigeration system. It offers ppb-level ultra-low concentration of 4 mixed gases in different specifications, which can be used for testing according to different customer requirements.

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