Mineralab's Mohs surface hardness scratch test kit can find the hardness of any concrete relative to Mohs’ hardness scale. Start by using the lowest number pick and continue up the scale until the concrete begs to scratch and that is your numeric number of hardness relative to Mohs’ scale.
Brand | STONE CARE SYSTEMS |
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Weight | 0.82 lbs |
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information: www.P65Warnings.ca.gov