This standard specifies the product classification, technical requirements, test methods, inspection rules and requirements for marking, Encasement, transportation and storage of envelope Cardboard for the production of hardcover books and picture albums. The standard clearly stipulates the size, folding resistance, tensile strength and other performance of envelope Cardboard to ensure its performance in the binding process. By citing relevant national standards, the standards provide technical guidance for the quality control and production process of envelope Cardboard, ensuring the production needs of high-quality envelopes.
| Status | Active |
|---|---|
| CCS | Y31 | ICS | 85.060 |
| Release Date | 2008-12-30 00:00:00 | Implementation Date | 2009-09-01 00:00:00 |