FIELD: smoking accessories.
SUBSTANCE: group of inventions relates to a smoking material wrapper and a smoking article. Smoking material wrapper containing micropores is divided into three areas at equal intervals from the upper distal end; the average porosity increases as the area approaches the lower end. Porosity of the wrapper of the smoking material increases in the form of a quadratic or cubic function from one end to the other.
EFFECT: minimization of the rate of reduction of the dilution coefficient when porosity is maintained at a certain level of the upper limit.
12 cl, 5 dwg, 1 tbl
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|---|---|---|---|
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