GB/T 22897-2008 "Paper and board—Determination of resistance to water penetration" specifies a method for determining the resistance of paper and board to water penetration. It is applicable to paper and board that have undergone treatments such as sizing or coating to provide water-resistant or waterproof properties, but is not suitable for corrugated board. The method involves applying pressure using a test cup containing a dye solution, recording the time for water to penetrate the specimen or observing the penetration condition. It defines specimen dimensions, pressure conditions, and evaluation criteria to assess the water penetration resistance of paper.
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 | 85.010 |
| Release Date | 2008-12-30 00:00:00 | Implementation Date | 2009-09-01 00:00:00 |