GB/T 13506-2008 "Bleached Sulfite Wood Pulp" specifies the classification, requirements, test methods, inspection rules, as well as marking, packaging, transportation, and storage of bleached sulfite wood pulp. It is applicable to bleached sulfite wood pulp used for manufacturing various types of paper and paperboard. The pulp is classified into multiple grades based on quality, with clear technical indicators such as basis weight, tensile index, tear index, brightness, and dirt count. The standard revises the requirements for tensile index, tear index, and dirt count from the original version, adopts corresponding standard methods for testing, and regulates product production and quality 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 | Y31 | ICS | 85.040 |
| Release Date | 2008-08-19 00:00:00 | Implementation Date | 2009-05-01 00:00:00 |
