Form N2C-3 is as black and white Unsealed Test Chart. The top is black and bottom white with overall dimensions of 7-5/8 x 10-1/4 in (194 x 260 mm). This chart is an alternative to Form N2C-2 for those customers who desire a lower level of gloss in the black area. The gloss of the black area is typically 35 units when measured with a 60° gloss meter.