Aerosol-generating article with high aerosol former content

Abstract

An aerosol-generating article is provided, including: a substrate portion containing aerosol-forming substrate, substrate portion having a length of between 20 millimeters and 60 millimeters and a diameter of between 4 millimeters and 7 millimeters, the aerosol-forming substrate including an aerosol former, and an amount of aerosol former ranging between 6 percent and 20 percent by weight on a dry weight basis of the aerosol-forming substrate; a hollow acetate tube; and an additional filter section included between the substrate portion and the hollow acetate portion.

1 . (canceled) 
     
     
         2 . An aerosol-generating article, comprising:
 a substrate portion containing aerosol-forming substrate,
 wherein the substrate portion has a length of between 20 millimeters and 60 millimeters and a diameter of between 4 millimeters and 7 millimeters, 
 wherein the aerosol-forming substrate comprises an aerosol former, and 
 wherein an amount of aerosol former ranges between 6 percent and 20 percent by weight on a dry weight basis of the aerosol-forming substrate: 
   a hollow acetate tube; and   an additional filter section included between the substrate portion and the hollow acetate portion.   
     
     
         3 . The aerosol-generating article according to  claim 2 , further comprising a wrapper of metallic foil or aluminum co-laminated paper. 
     
     
         4 . The aerosol-generating article according to  claim 2 , wherein the substrate portion has a diameter of between 5 millimeters and 7 millimeters. 
     
     
         5 . The aerosol-generating article according to  claim 2 , wherein the hollow acetate tube has an inner diameter of between 3 millimeters and 5 millimeters. 
     
     
         6 . The aerosol-generating article according to  claim 2 , wherein a length of the hollow acetate tube is between 5 millimeters to 30 millimeters. 
     
     
         7 . The aerosol-generating article according to  claim 2 , further comprising a tipping paper arranged at least partly wrapped around the hollow acetate tube and the substrate portion to overlap the hollow acetate tube and the substrate portion.