This standard describes the method of measuring paper opacity using a 45 °/0 ° geometric reflection instrument. The opacity of the paper affects its printing effect and visual mass. This method provides a scientific basis for paper mass evaluation.
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 | ICS | ||
| Release Date | 2015-01-01 00:00:00 | Implementation Date | |