Smoking article element, cooling element, filter element, and smoking article

The utility model provides a smoking product element. The smoking product element comprises a longitudinally-extending core made of cellulose acetate materials. A longitudinally extending core made of cellulose acetate material has a profiled outer surface comprising 5 to 8 grooves or channels extending over the entire length of the core having a depth of 0.2 mm to 1.2 mm, where the longitudinally extending core made of cellulose acetate material has a circumference of 16 mm to 26 mm. 本实用新型提供了一种吸烟制品元件，该吸烟制品元件包括由乙酸纤维素材料制成的纵向延伸的芯；由乙酸纤维素材料制成的纵向延伸的芯具有异型外表面，该异型外表面包括深度为0.2mm至1.2mm的、5至8个在芯的整个长度上延伸凹槽或通道，其中，由乙酸纤维素材料制成的纵向延伸的芯具有16mm至26mm的周长。