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The appearance of different batches of goods may be different, which does not affect the use. Please understand
Mohs Hardness Pen
The Mohs hardness standard is used to judge the hardness of the tested sample by marking it, which is a destructive testing method. The test result of relative hardness is not absolute value, For Mohs hardness pen testing authority, please follow the common practice in your industry,please be informed!
Suitable for testing the relative hardness of gem minerals, cured epoxy concrete£¬floor floor, ceramic, ceramic tile, floor brick, marble stone, mineral geological exploration, optical glass, mobile phone glass screen toughened screen, common glass.
Type:1-TALC£¬2-GYPSUM£¬3-CALCITE£¬4-FLUORITE£¬5-APATITE£¬6-ORTHOCLASE£¬7-QUARTZ£¬8-TOPAZ£¬9-CORUNDUM£¬10-ADAMAS
Test steps:
1. First, the hardness of the sample was estimated indirectly; 2. Find a inconspicuous place, by the level of visual hardness is lower than 1 to 2 pencil hardness curve samples, if samples no scratches, shows the sample hardness is higher than the hardness pencil hardness, with a high level of hardness score, if there is a slight trace sample, sample hardness and hardness of the hardness of the pen, reusable higher hardness score, if leave scratches, It indicates that the hardness of the sample is lower than that of the hardness pen, and then the hardness of the measured sample or its range can be judged; 3. Pay attention to the moderate intensity of engraving, neither too light nor too heavy. 4. If there is powder in the test, it is necessary to determine whether it is the powder of the sample or the wear powder of the test pen. Do not misjudge.
Notes
1.Due to manual processing, the shape of each tip cannot be exactly the same as the one in the picture. The tip will have different shapes and different edges and corners. We guarantee that the tip has at least one corner, so there will be no quality problem.
2.The tip itself has natural cleavage properties and is processed, so it may crack when used (usually a common problem below grade 6). As long as the tip remains after cracking, it can still be used, which is not a quality problem.
3.Mohs hardness pen is a physical test method, which is destructive and will wear both the test sample and the pen itself (the wear of the pen tip will show the phenomenon of powder, debris, cracking, etc.). Therefore, Mohs hardness pen is consumable
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