The purpose of this test is to examine whether any abrasive resistant coating of a rigid plastic glazing has sufficient adherence.
The cross-hatch test evaluates the adhesion of coating adhesion of paint and powder coatings.
ECE R43 annex 13 par. 13, ISO 2409/ISO 8502-3
The coating is cut into small squares, which reduces lateral bond. A tape is pressed on the squares, and the result of coating adhered to the tape is visually assessed against ISO or ASTM standards.
The cross-hatch tester comes as a kit comprising: