MOH's Hardness Test Kit ★ Four double-ended picks with eight points: 2 and 3, 4 and 5, 6 and 7, 8 and 9 on the Mohs hardness scale, high quality brass clamping vise. A glass plate (hardness approximately 5.5), which can be scratched to distinguish between hard and soft minerals, and a second hardness plate, with a hardness value of 3.5. ★ Excellent Quality: We offer you this impeccable Mohs Hardness Tester. Hardness test kits are carefully machined into a multi-faceted shape, making them easier to use and more durable. Carefully processed and multi-faceted, convenient and durable; easy to carry and complete in variety. ★ Operation method: Hold the pen and keep it about 70 degrees from the ground while holding the pen. Press the tip of the hardness pen with a scale and make a scratch test on the surface of the object to be tested. Draw a straight line of about 20MM and judge the quality of the object under test through observation. Relative Mohs hardness scale. ★ Note: Pay attention to the carving intensity to be moderate, neither too light nor too heavy. If there is powder during the marking test, it is necessary to determine whether it is the powder of the sample or the loss powder of the test pen, and do not make a misjudgment. ★ Wide range of applications: suitable for relative hardness testing of gemstones, cured epoxy concrete and other floors, ceramics, ceramic tiles, floor tiles, marble materials, ore geological exploration, optical glass, mobile phone glass screen tempered screens, and commonly used glass.
