FILTER MATERIALS AND FILTERS MADE THEREFROM

摘要

The present invention relates to filter material for inclusion in a smoking article, said filter material comprising a base material comprising or made from fibres having a first diameter or mean diameter, and fine fibres having a diameter or mean diameter which is smaller than the first diameter, wherein the filter material comprises more than 10% by weight and/or by volume fine fibres or wherein the diameter or mean diameter of the fine fibres is between about 1.0 µm and about 1.5 µm. The invention also relates to filters or filter elements comprising the filter material, smoking articles comprising the same, and use of the filter material in smoke filtration.