GB/T 17749-2008 "Method for the Expression of Whiteness" This standard specifies the quantitative methods for expressing the whiteness of white or near-white objects (such as paper, textiles, coatings, ceramics, etc.). It defines two whiteness formulas (Ganz whiteness and Hunter whiteness) and their application conditions, providing a unified scale for the evaluation, comparison, and quality control of whiteness.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | A26 | ICS | 17.180.20 |
| Release Date | 2008-05-04 00:00:00 | Implementation Date | 2008-10-01 00:00:00 |
