Testing of surface material when there is abrasion. Packaging or printed, each with the ability to withstand abrasion depends on the different materials used in printing and often problems arise from transport, why open the boxes and workpieces, or peel paint scratched. The test is done by the tester, which they Rub there change the stroke (the number of times a return movement of TestBlock) To study the amount of increased stroke affects the surface material or not. The assessments. See how a scratch (scratch) that occurs on the surface of the test specimen when an abrasion.Application of testing the adherence of inks and paper cups, plastic cups.
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