Tobacco sheet, tobacco rod and smoking article

Abstract

A tobacco sheet containing 15-60 mass % of a tobacco ingredient and 20-70 mass % of cellulose fibers, and having a thickness of 55-85 μm, a basis weight of 25-42 g/m 2 , and a tensile strength of 12 N/15 mm or more.

1 . A tobacco sheet containing a tobacco material in an amount of 10 to 60% by mass and cellulose fiber in an amount of 20 to 70% by mass, and having a thickness of 55 to 85 μm, a basis weight of 25 to 42 g/m 2 , and a tensile strength of 12 N/15 mm or higher. 
     
     
         2 . The tobacco sheet according to  claim 1 , having a Clark stiffness of 15 cm 3 /100 or lower. 
     
     
         3 . The tobacco sheet according to  claim 1 , having a Bekk smoothness of 15 sec or higher. 
     
     
         4 . The tobacco sheet according to  claim 1 , which is subjected to a calender processing. 
     
     
         5 . The tobacco sheet according to  claim 1 , which is a sheet made by a papermaking process. 
     
     
         6 . The tobacco sheet according to  claim 1 , which is a cigarette paper to be wound around a tobacco filler. 
     
     
         7 . A tobacco rod comprising:
 a tobacco filler; and   a tobacco sheet which is a cigarette paper wound around the tobacco filler,   wherein the tobacco sheet contains a tobacco material in an amount of 15 to 60% by mass and cellulose fiber in an amount of 20 to 70% by mass, and has a thickness of 55 to 85 μm, a basis weight of 25 to 42 g/m 2 , and a tensile strength of 12 N/15 mm or higher.   
     
     
         8 . A smoking article comprising:
 a tobacco rod comprising a tobacco filler, and a tobacco sheet which is a cigarette paper wound around the tobacco filler; and   a filter portion provided facing the tobacco rod,   wherein the tobacco sheet contains a tobacco material in an amount of 15 to 60% by mass and cellulose fiber in an amount of 20 to 70% by mass, and has a thickness of 55 to 85 μm, a basis weight of 25 to 42 g/m 2 , and a tensile strength of 12 N/15 mm or higher.   
     
     
         9 . The smoking article according to  claim 8 , having a circumference of 16 to 27 mm.