MARKED FILTER PAPER FOR USE AS TEST SUBSTRATE IN STANDARDIZED METHODS FOR EVALUATION OF THE IGNITION PROPENSITY OF CIGARETTES

摘要

The present invention relates to a cellulose filter paper for testing the ignition propensity of cigarette paper that is provided with a marking with which the rough surface of the filter paper can be distinguished from the smooth surface, and a method for its production, a method for testing the ignition propensity of cigarette paper, and a kit having a plurality of such filter papers or stacks of such filter papers.