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Multi-Finger Scratch & Mar Tester [Model 710] - #980710
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Known as the 5-finger scratch tester, this instrument is used to evaluate the scratch and mar resistance of resilient materials. A variable speed, pneumatically driven sledge is moved below five independent, weighted scratch "fingers" that are equipped with interchangeable scratch tips. Includes: spline shaft 'finger' assembly (5); scratch tip with 1.0mm diameter hemisphere (set of 5); mar tip with 7.0mm diameter hemisphere (set of 5); weight set (consisting of 2N; 3N; 4.5N; 5N; 6N; 7N; 10N; 15N; and 20N); and specimen clamp. REQUIRES COMPRESSED AIR.
