GB 250-1995
AbolishedGray scale for assessing change in colour
评定变色用灰色样卡
Application Summary AI generated
GB 250-1995 defines a gray scale used to visually evaluate color change in textiles and other materials after exposure to light, washing, or chemical treatments. It is applied in quality control and testing laboratories to assign a numerical grade (1-5) for colorfastness, ensuring consistent assessment across manufacturers and testing institutions. The standard is critical for industries like textile production, leather goods, and coatings where color stability is a key performance metric.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.