D47 1431 Materials and Parts for Passenger Compartment - Appearance and Behavior (Color Fastness) to Artificial Light at High and Average Temperatures

The D25 1431 standard, developed by the PSA Peugeot Citroen group, Europe's second largest automobile manufacturer, describes a test method for assessing the resistance of the appearance of certain materials to the influence of a light source. Two types of temperatures are applied in this test method:

• High temperature (standard test specimen holders are used)
• At average temperature (modified test specimen holders with infrared filters are used)

Average temperature is used only if specified in standard documents.

This test method is used for passenger compartment materials and parts, such as woven and knitted textiles, textile-cellular material composites, specially treated textile floor coverings, plastic sheets, self-pigmented or self-colored plastics (e.g. clear or iridescent plastic materials), leather upholstery, It is applied to plastic coated textiles, non-woven textiles, steering wheel foam materials and similar materials.

This test method is based, in principle, on exposing the test sample of the material to the light and heat of a xenon arc burner.

In addition to the results obtained, the test report should include:

• References of the tested material or part and the name of the supplier
• Exposure time, age and light energy of the burner in each case
• Modified test specimen holders with infrared filter for tests under special test conditions, e.g. average temperature
• Mandatory registration of change in color such as luminance, chromaticity or gloss
• Mandatory recording of all deterioration in the appearance of the test sample
• Operational details not specified in the method and possible events that may have affected the results

Briefly, the textile sample to be tested is exposed to artificial light under prescribed conditions, together with a set of blue wool references. Color fastness is the evaluation of the change in color of the test sample by comparison with the references used.

Our organization, among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, with its trained and expert staff and advanced technological equipment, within the scope of the D25 1431 standard, the appearance and behavior of materials and parts for the passenger compartment against artificial light at high and average temperatures ( It also provides testing services for color fastness.