GB/T 24289-2009 "Paper and board - Determination of specular gloss - Parallel beam 75°, DIN method" specifies a method for determining the specular gloss of paper and board using a parallel beam at an incident angle of 75°. This method is applicable to flat paper and board with a gloss level below 65. It clearly outlines requirements for sample preparation, conditioning, and instrument operation, ensuring the accuracy and comparability of specular gloss measurement results through standardized procedures.
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 | Y30 | ICS | 85.010 |
| Release Date | 2009-07-31 00:00:00 | Implementation Date | 2010-03-01 00:00:00 |
