所述规程适用于汽车中使用的纺织和柔性塑料零件及材料。在评估高桩地毯样品时，应特别小心。本SAE推荐实施规程旨在规定纺织品和柔性塑料汽车零件暴露于各种色牢度试验中所产生色差的仪器测量程序。它可用于规定特定试验中允许的色差限值。

The practice described applies to textile and flexible plastic parts and materials used in automotive vehicles. Special care should be taken when high pile carpet samples are being evaluated.The intent of this SAE Recommended Practice is to specify procedures for the instrumental measurement of color differences brought about by the exposure of textile and flexible plastic automotive parts to various colorfastness tests. It may be used for the specification of limits of color differences which may be tolerated in a specific test.