Humidity Resistance Test As Per Standard MS 655-08

What is Humidity Resistance Testing?

Humidity resistance testing assesses a material’s ability to resist degradation due to exposure to high humidity levels. This type of testing is essential for materials used in outdoor applications, automotive parts, electronics, and any environment where moisture can impact performance.

The MS 655-08 Standard

The MS 655-08 standard outlines the procedures and requirements for humidity resistance testing. This standard ensures that the testing is consistent, reproducible, and provides reliable data on the material’s performance.

Key elements of the MS 655-08 standard include:

• Test Conditions: Specifies the temperature and humidity levels to be maintained during the test. According to Table 13 of the standard, the test conditions are:
  • Type A, B: 50°C ± 2°C and 95% RH ± 2% for 168 hours
  • Type C, D: 50°C ± 2°C and 95% RH ± 2% for 240 hours
• Sample Preparation: Guidelines for preparing the material samples, including size, shape, and any pre-conditioning required before the test.
• Evaluation Criteria: The appearance of the test specimens shall be checked with the naked eye after conditioning. The adhesion properties are evaluated according to Clause 4.7 of the standard.

The Testing Process

1. Sample Preparation: Samples are carefully prepared according to the standard’s specifications. This may include cutting the material to size, conditioning it, and ensuring it is free from contaminants.

2. Test Setup: The samples are placed in a humidity chamber where the temperature and humidity are controlled according to the standard’s requirements.

3. Exposure: Samples are exposed to the specified conditions for the duration defined in the standard. During this period, the material’s response to the high humidity environment is continuously monitored.

4. Post-Exposure Evaluation: After the exposure period, samples are removed from the chamber and subjected to a series of tests to evaluate any changes in their properties. This includes visual inspections for any surface changes, mechanical tests to assess changes in strength or flexibility, and other relevant property measurements.

Importance of Humidity Resistance Testing

Humidity resistance testing is crucial for several reasons:

• Material Selection: Helps in selecting materials that are suitable for humid environments, ensuring longevity and reliability.
• Quality Control: Ensures that materials meet the necessary standards and specifications before being used in production.
• Failure Prevention: Identifies potential failure points in materials that could lead to product failures in real-world applications.

Why Choose Kiyo R&D Center & Laboratory?

At Kiyo R&D Center & Laboratory, we are committed to providing accurate and reliable humidity resistance testing services. Our state-of-the-art facilities and experienced technicians ensure that all tests are conducted in strict accordance with the MS 655-08 standard. We provide detailed reports and analysis, helping our clients make informed decisions about their materials.