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ASTM D2565 Xenon Arc Aging Test of Plastics

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ASTM D2565 is a standard practice for xenon-arc exposure of plastics intended for outdoor applications. 

ASTM D2565 covers specific procedures and test conditions based on related testing practices of ASTM G151 and ASTM G155. ASTM D2565 also covers the preparation of test specimens, test conditions best suited for plastics, a well as the evaluation of test results.  


UnitedTest offers the ASTM D2565 test as part of the UV testing services.


Uses

Polymers can have their mechanical, electrical and optical properties significantly altered when exposed to outdoor conditions such as ultraviolet radiations, heat, and water. The ASTM D2565 test method is intended to induce and replicate these property changes associated with the end-use conditions, including the effects of daylight, moisture, and heat. Note: depending on the actual use conditions, other accelerated aging phenomena might also be considered including salt water, temperature and humidity cycling, ozone, and many others.

Pigments used to color the plastics are different in chemical composition.  When materials are offered in different colors, these colors should also be tested.


Typical Test Parameters

To perform a relevant accelerated weathering test to ASTM D2565 the following test parameters need to be defined carefully:

Lamp filters (inner and outer)

The lamp irradiance level

The type and duration of moisture exposure

The duration of the light exposure

The cabinet temperature during light exposure

The temperature of moisture exposure

The timing of a light/dark cycle.

Related Standard

ASTM G155 Xenon Arc Lamp Test for Exposure of Materials Metals & Alloys

ASTM G155: Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials


The ASTM G155 test apparatus exposes specimens to light, heat, and optionally moisture, often to attempt to replicate specimen property changes observed in outdoor and indoor end-use environments. Exposures are not intended to simulate the deterioration caused by localized weather phenomena, such as atmospheric pollution, biological attack, and saltwater exposure.


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