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CORESTA Congress, Berlin, 2016, Smoke Science/Product Technology Groups, STPOST 24

The effects of cigarette papers on the ash stability, ash colour, hot cone fall out propensity and emissions of slim cigarettes

WEN Siru; CHEN Yuxiang; BAI Liangliang
Mudanjiang Hengfeng Paper Co., Ltd, Mudanjiang, P.R. China

In recent years, slim cigarettes are more commonly used by consumers, however, only a low number of references can be found with respect to the type of cigarette papers (CPs) applied on that type of product. This paper provides an overview on how main CP properties, such as CP basis weight, CP porosity, CP burn additive content, type of CP burn additive (potassium citrate and sodium citrate) and CP ash content impact the ash stability, ash colour, hot cone fallout propensity (HCFP) and the emissions of a burning slim cigarette. In summary, the effects of cigarette paper (CP) properties on the ash stability and ash colour of slim cigarettes are studied systematically in this paper.

The influence of CPs on the ash stability and the ash colour of slim cigarettes were investigated using image analysis. As one of the results, it was found that increased ash content or increased sodium citrate content (at the same citrate level) of the applied CPs improved the ash stability and the ash colour of the burning slim cigarette.

Hot cone fall out is a commonly known phenomena for slim cigarettes. We investigated the influence of the main CP properties on the hot cone fall out propensity (HCFP) of slim cigarettes by using a HCFP analyser.

CP is known to have a significant impact on the emissions, such as tar and CO, of a burning cigarette. In our study it was shown that an increased CP ash content, an increased CP porosity, an increased CP burn additive content or an increased potassium citrate content (at the same citrate level) of CP led to a significant reduction of tar and CO in the emissions of the investigated slim cigarettes. On the contrary, an increased CP basis weight also led to a reduction of tar, whilst the CO significantly increased.