GB/T 39307-2020
ActiveFluorescent whitening agents—Determination of shade and relative whiteness—Plastic coloring
荧光增白剂 色光和增白强度的测定 塑料着色法
Application Summary AI generated
This standard specifies a method for determining the shade and relative whiteness of fluorescent whitening agents when applied to plastic materials. It is used by manufacturers and quality control laboratories in the chemical and plastics industries to evaluate and compare the whitening performance of different fluorescent whitening agents in a standardized plastic matrix. The testing context involves incorporating the agent into a plastic formulation, typically polyethylene, and measuring the resulting whiteness and color tone against a reference standard.
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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.