Cross Hatch Adhesion Tester Cross-Cut Adhesion Tester Kits w/ 1mm/2mm/3mm Blades

0 5B The incision edges are smooth, without any peeling S=0%. 1 4B The incision at the crossing of minor peeling 0＜S≤5%. 2 3B The incision edge and the crossing of a small piece of peeling 5%＜S≤15%. 3 2B The incision edge and the crossing of a piece of peeling 15%＜S≤35%.

eBay