SCRATCH HARDNESS TESTER 413 (REFERENCE CLASS)
Identification of finest Tendencies in the change of Scratch Hardness
All test methods applicable for this instrument are in principle based on the same test procedure: The specimen
is clamped on a turntable (number of revolutions of the standard version is 5 min-1). The test tool is fixed on a load
arm also equipped with an adjustable weight so that the pressure exerted onto the specimen material can be
The resistance of the specimen against this action is visually evaluated from the score mark (detailed information
on the evaluation are given in the Operating Instructions).
Various test tips are available.
- EN 438-2
- ISO 4586-2
- DIN 53799+B365