bench-top scratch hardness tester / automatic / digital display
SAMAR536

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Characteristics

  • Mounting:

    bench-top

  • Other characteristics:

    automatic, digital display

Description

Mar resistance tester operating is very similar to scratch resistance test, but this kind of test employs an arc-shaped stylus (loop-shaped or ring-shaped) to test the coating resistance.

The test is performed by moving the sample under the stylus which is mounted at 45°. The weight on the sample is increased until the coating is damaged.

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