Double A is a premium paper known for its high quality, superior performance and environmental friendr>It has passed a 'No Jam' Runnability test for the continuous copying of 100,000 sheets of 80gsm paper though a high-speed copy machine with no jamming.DESCRIPTION, UNIT DOUBLE ABasis Weight, gsm 80Thickness, µm 103 â 110CIE Whiteness, % 148 â 152Brightness, % 101 â 104Opacity, % >94