No. 10 - A User Guideline for the Measurement of Diameter of Cigarettes and Filter Rods
The Diameter of cigarettes and filter rods has a direct effect on the pressure drop and the ventilation and therefore on the smoking performance of the assembled cigarette. Furthermore differences in the Diameter of tobacco rod and of filter rod might cause assembling problems. The Diameter of the final product will also influence the packing. The Diameter is a principal measure for the quality control of cigarette manufacture. This guideline is intended as a reference for manufacturers of cigarettes and filter rods as to the best practice for the measurement of Diameter, so as to consistently obtain the most accurate and most reliable measurements despite the many external influences that can affect the measured value.