GB/T 39693.9-2021 stipulates the calibration and verification method of hardness gauge in vulcanized rubber or thermal plasticity rubber hardness testing. The standard specifies the content of calibrating and verification, including the inspection of hardness gauge Appearance, pressing needle size, force measurement accuracy, etc. Detailed description of the accuracy requirements of calibrating equipment such as required standard blocks, as well as specific calibrating and verification processes, such as zero point adjustment, operation of different Hardness level test points. Implementation according to this standard can ensure the accuracy of hardness gauge measurement, provide reliable tools for rubber Hardness detection, and help the rubber industry mass control and performance evaluation.
| Status | Active |
|---|---|
| CCS | G40 | ICS | 83.060 |
| Release Date | 2021-10-11 00:00:00 | Implementation Date | 2022-05-01 00:00:00 |