Material Surface Resistance Testing - Multi-Finger Scratch/Mar Tester from Taber

Multi-Finger Scratch/Mar Tester-Model 710 available from Taber Industries has been designed to evaluate the relative susceptibility or resistance of a material surface to physical damages, such as scratching, scraping, gouging, marring, engraving, etc. The instrument can also be used to determine plastics and is generally referred to as a five-finger scratch & mar tester.

The Multi-Finger Scratch/Mar Tester features a pneumatically driven, moveable platform on which the test specimen is placed. A control knob is used to operate the platform for single or multiple pass testing. An electronic timer shows the speed rate, which can be controlled by increasing or reducing air pressure.

Key Features

The main features of the Multi-Finger Scratch/Mar Tester are:

  • Measures relative resistance of material surface
  • Includes pneumatically driven, moveable platform
  • Electronic timer displays speed rate
  • Spring-loaded specimen holder
  • ‘Free-floating' arms allow users to test slightly contoured specimens
  • Can also be used to evaluate plastic materials

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