GB/T 451.2-2023 "Paper and board — Part 2: Determination of grammage" is applicable to the determination of the grammage of various types of paper and board. It specifies the test method for determining grammage by weighing the mass of a sample of a specific area, and clarifies technical requirements such as sampling, cutting dimensions, and weighing accuracy. The standard also regulates the test environmental conditions and the calculation method for results to ensure the accuracy and consistency of grammage determination outcomes.
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 | Y32 | ICS | 85.060 |
| Release Date | 2023-12-28 00:00:00 | Implementation Date | 2024-07-01 00:00:00 |