GB/T 450-2008 "Sampling of Paper and Board and Determination of Direction, Grain and Wire Side" specifies the methods for sampling paper and board, as well as the rules for determining the machine direction, cross direction, and wire side of specimens. It is applicable to the testing of related properties of various types of paper and board. The standard clarifies the requirements for sampling positions, quantities, and tools to ensure the representativeness of specimens. It distinguishes between machine direction, cross direction, and wire side through intuitive observation, tactile sensing, or simple tests, laying the foundation for the accuracy of subsequent performance tests.
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 | 2008-08-19 00:00:00 | Implementation Date | 2009-05-01 00:00:00 |