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The standard for xenon arc testing is typically specified by the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM). Two commonly referenced standards for xenon arc testing are:

1. ISO 4892: This standard, titled "Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps," provides guidance on the general principles and procedures for conducting xenon arc testing on plastic materials. ISO 4892-2 outlines the test conditions, sample preparation, and evaluation methods for assessing the effects of light exposure on the materials.

2. ASTM G155: This standard, titled "Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials," provides guidelines for operating xenon arc light apparatus specifically designed for testing non-metallic materials. ASTM G155 covers the general principles, test conditions, specimen preparation, and performance evaluation for xenon arc testing.

Both ISO 4892 and ASTM G155 specify various parameters and conditions for xenon arc testing, including:

• Spectral Power Distribution: The standards define the spectral power distribution of the xenon arc lamp to be used during testing. This ensures that the light source closely matches the spectrum of natural sunlight.

• Irradiance Levels: The standards specify the irradiance levels at different wavelengths to simulate different geographic locations or specific applications. The irradiance levels are typically expressed in terms of total irradiance or specific wavelength ranges.

• Test Cycle: The standards describe the test cycle, which includes exposure to light, temperature, and humidity variations to simulate real-world conditions. The duration and sequence of exposure cycles may vary depending on the testing requirements.

• Specimen Preparation: The standards provide guidelines for preparing the test specimens, including size, shape, and orientation. Specimens may be exposed as flat panels, films, coatings, or other forms based on the material being tested.

• Performance Evaluation: The standards outline the methods for evaluating the effects of xenon arc exposure on the test specimens. This may include visual assessment, color change measurements, mechanical property testing, or other relevant evaluations.

It's important to note that specific industries or applications may have additional standards or specifications related to xenon arc testing. Therefore, it is recommended to refer to the relevant ISO or ASTM standards specific to your industry or product requirements for detailed procedures and specific test conditions.

Xenon Arc Aging Test Chambers HZ-2011.pdf