Air Permeability Tester for Paper and Board

The instrument is suitable for the determination of medium air permeability range of 0-17μm (Pa.S) paper and cardboard. The structural parameters and technical performance of the instrument meet the requirements of relevant standards such as QB/T1667-98 "Paper and Cardboard Air Permeability Tester", GB/T458-2008 "Paper and Card Air Permeability Determination Method"