The Volvo STD 423-0047 standard published by the Volvo vehicle company describes an accelerated test method to determine the color fastness of interior materials such as colored plastic materials, painted surfaces and textiles at 100 degrees Celsius. STD 423-0061 standard is used for testing indoor materials exposed to lower temperatures.
According to this test method, test pieces are exposed to light and heat from a light source (a filtered xenon lamp). The goal is to achieve accelerated degradation by simulating the light and temperature conditions of the interior of a cabinet. The degradation is then assessed either visually or using colorimetric or other methods. The exposed part of the test piece is evaluated by comparison with the other half of the test piece, which is protected from the light source, that is, exposed only to heat in the test chamber.
However, it is acknowledged that the correlation between test results obtained from accelerated tests and real-life field exposure is not definitive and is only valid for specific material types and specific properties where such a correlation is based on known experience. Correlation factors for accelerated tests can vary considerably between different types of finishes, plastic materials, or textiles. The artificial light source must be suitable according to the ISO 105-B02 standard. It should be possible to control the irradiation, room-air temperature, black standard temperature, and relative humidity.
The test equipment should have a water-cooled xenon lamp as the light source. The xenon lamp must be equipped with internal and external optical filters. The light from the xenon lamp is filtered through the window glass to provide a spectral distribution as close to natural sunlight as possible.
The equipment must have a radiometer that measures the glow at the test surface. The irradiance is automatically controlled to the preset value.
The test pieces must represent the product to be tested and must be conditioned to the STD 1021,1 standard prior to testing.
Accelerated color fastness test of interior materials (exposure test at 423 degrees) within the scope of Volvo STD 0047-100 standard, with its trained and expert staff and advanced technological equipment, among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors. ) also provides services.
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