The JJF 1811-2020 specification applies to the calibration of paper and Cardboard bursting testers. Miscellaneous low-strength sheet materials can also be calibrated according to this specification to ensure that the bursting tester provides accurate data during the measurement process and ensures the Reliability of paper and Cardboard strength tests.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
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