Scratch Hardness Testing
Scratch resistance of surfaces, 4 different test probes, 3 force ranges, up to 20 N![Hardness Test Pencil Model 318 Hardness Test Pencil Model 318](https://www.erichsen.de/en-gb/products/surface-testing/hardness-abrasion-and-washability-testing/scratch-hardness-testing/scratch-hardness-testing-3/hardness-test-pencil-model-318/@@images/885d7759-c19c-4da5-bfef-5674a969a946.jpeg)
Hardness Test Pencil Model 318
Model 318
Scratch resistance of surfaces, 4 different test probes sold separately, 3 force ranges, up to 20 N
![Hardness Test Pencil Model 318 Hardness Test Pencil Model 318](https://www.erichsen.de/en-gb/products/surface-testing/hardness-abrasion-and-washability-testing/scratch-hardness-testing/scratch-hardness-testing-3/hardness-test-pencil-model-318-1/@@images/166a82bc-fcbb-4803-a5f2-bedd75cabf42.jpeg)
Hardness Test Pencil Model 318
Model 318 S
Scratch resistance of surfaces, 4 different test probes sold separately, 3 force ranges, up to 20 N, with additional rollers on the test head
![Hardness Test Pencil Model 318 Hardness Test Pencil Model 318](https://www.erichsen.de/en-gb/products/surface-testing/hardness-abrasion-and-washability-testing/scratch-hardness-testing/scratch-hardness-testing-3/hardness-test-pencil-model-318-2/@@images/b24d632a-9523-4d30-bade-563cdb2011df.jpeg)
Hardness Test Pencil Model 318
Model 318 C
Scratch resistance of surfaces, test probe according to Clemen, 3 force ranges, up to 20 N