1PCS Pencil hardness tester QHQ-A coating hardness tester paint films Scratches
USD 149.00 USD
Specifications
| Brand | Unbranded |
| Model | QHQ-A |
Pencil Tester, Body. The pencil lead, prepared beforehand by rubbing it on fine abrasive paper, is maintained at an angle of 45º and pushed with uniform pressure onto the sample. Three points are touched on the tested surface roller pencil lead.
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