Polytech Instruments offers Shear / Scratch Tester, 550/551. Polytech Instruments is an ISO 9001:2000 certified company. The Shear / Scratch Tester can evaluate resistance to shearing, scratching, gouging, marring, scraping and engraving. The precision instrument measures damage to surfaces not classified as ordinary wear. Using interchangeable tools, the Taber Shear / Scratch Tester is used to measure the susceptibility of material surfaces to marring, shearing, gouging, scratching, scraping, engraving, and other similar physical damage not classified as ordinary wear. The Shear / Scratch Tester is ideal for evaluating adhesive qualities of surface coatings, detecting the lack of homogeneity in comparative materials, rating similar or competitive materials, or analyzing the effects of age under controlled environmental conditions.
Shear / Scratch Testers are available in two models: