squares are partly /wholly damagedaffected cross-cutarea:15%-35%film thickness cutter spacingselect the appropriate cross-cut tool based on the coating film thickness (see table)make alattice pattern in the film with appropriate tool,cutting to the substratebrush in diagonal direction 5 times each,using a brush pen or tape and remove with tapeexamine the grid area using an illuminated magnifieriso class:0/ASTM class:5bedges of cut are completely smoothnone of the squares of the lattice is detached