This standard specifies the classification, technical requirements, test methods, inspection rules and marking, Encasement, transportation and storage requirements of unbleached softwood pulp. It is applicable to the manufacture of unbleached softwood pulp for paper tube base paper, plastic backing paper, kraft paper, cardboard, Encasement paper and Cardboard. The standard provides clear specifications for the production and quality control of this type of wood pulp, ensuring the Stability and mass of the product in production and use.
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 | 2009-09-30 00:00:00 | Implementation Date | 2010-02-01 00:00:00 |
