This standard specifies the determination method of natural Stone Hardness, using the Mohs hardness gauge to determine the relative Hardness of Stone by scratch test. The standard covers the principle, equipment, sample preparation and steps of the test, and is applicable to the hardness testing of various natural Stone, providing a scientific basis for Stone mass evaluation.
| Status | Active |
|---|---|
| CCS | Q21 | ICS | 91.100.15 |
| Release Date | 2020-03-06 00:00:00 | Implementation Date | 2021-02-01 00:00:00 |