The standard GB/T 1543-2005 Determination of paper and Cardboard opacity (paper backing) (diffuse reflection method) specifies the method of measuring the opacity of paper and Cardboard using diffuse reflection method. This standard quantifies the opacity to help evaluate the covering ability and Optical inspection characteristics of paper, and is suitable for paper production and quality control processes.
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 | 85.060 |
| Release Date | 2005-09-26 00:00:00 | Implementation Date | 2006-04-01 00:00:00 |