| 摘要 |
The invention relates to a smoke composition comprising between 0.05 and 5% of one or more active ingredients, for an effective dose of active ingredient(s) of between 0.5 mg/m<SUP>3 </SUP>and 40 mg/m<SUP>3</SUP>, and a smoke base. According to the invention, the aforementioned smoke base comprises at least one oxidising agent, one reducing agent and one mineral filler. The mineral filler represents at least 25% of the weight of the base while the reducing agent represents at most 16% of the weight thereof, and the weight ratio of oxidising agent to reducing agent is at least 3/1.
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