4in1 Cross-Hatch Plate Hundred Grid Adhesion Tester SISI Cross Cutting Rules

0 5B The incision edges are smooth, without any peeling S=0%. 1 4B The incision at the crossing of minor peeling 0£¼S¡Ü5%. 2 3B The incision edge and the crossing of a small piece of peeling 5%£¼S¡Ü15%.

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