Understanding AATCC TM169 Standard for xenon lamp aging test chamber

 

1. Principle: 

The AATCC TM169 standard outlines the principles and procedures for simulating sunlight exposure using a xenon lamp aging test chamber. The purpose is to determine the colorfastness and resistance to deterioration of textiles when exposed to artificial light.

 

2. Test Conditions: 

The standard specifies the test conditions including temperature, humidity, and light exposure cycles. These conditions are meant to simulate real-world conditions and aid in evaluating the performance and durability of textile materials.

3. Sample Preparation: 

Proper sample preparation is crucial for accurate testing. The standard provides instructions for preparing the test specimens, including their size, mounting, and orientation within the xenon lamp aging test chamber.

 

4. Testing Parameters: 

The AATCC TM169 standard details the specific parameters to be controlled during the test, such as the irradiance level, exposure time, and water spray cycles. These parameters ensure consistent and repeatable testing conditions across different laboratories.

 

5. Evaluation: 

After exposure, the test specimens are evaluated for changes in color, strength, appearance, and other properties using prescribed assessment methods. The standard provides guidelines for conducting visual evaluations, color measurements, and mechanical testing.

 

6. Reporting: 

The standard outlines the key information that should be included in the test report, such as the test conditions, test parameters, and evaluation results. This information allows for clear communication and comparison of test results between different testing laboratories.

 

7. Limitations: 

It is important to recognize the limitations of xenon lamp aging tests. The AATCC TM169 standard highlights these limitations and emphasizes that the results of such tests should not be used as the sole basis for making decisions regarding textile quality or service life.

 

By following the guidelines outlined in the AATCC TM169 standard, manufacturers, researchers, and quality control professionals can effectively assess the durability and colorfastness of textile materials using xenon lamp aging test chambers.