Guides
current
No. 4 - A User Guideline for the Measurement of Pressure Drop of Cigarettes and Cigarette Filter Rods
January 2019 - third edition Ref. PTM-192-CTG-04
The pressure drop of cigarette filter rods and the draw resistance of cigarettes have a direct effect on the smoking performance of the assembled cigarette and are principal measures for the quality control of cigarette manufacture. This guideline is intended as a reference for manufacturers of cigarettes and cigarette filter rods as to the best practice for the measurement of pressure drop, so as to consistently obtain the most accurate and most reliable measurements despite the many external influences that can affect the measured value.