YC/T 169.6-2009 Determination of physical and chemical characteristics of tow for cigarette.Part 6:Outline of cross section and shape factor in radius (English Version)
This part of YC/T 169 specifies the method for measuring the cross-sectional shape and radial irregularity of tobacco tows. This section applies to cellulose diacetate tow for cigarettes and polypropylene fiber tow for cigarettes.
2009YC/T 169.6-2009 Determination of physical and chemical characteristics of tow for cigarette.Part 6:Outline of cross section and shape factor in radius
2002YC/T 169.6-2002 Testing physical and chemical characteristics of tow for cigarette----Part 6: Outline of cross section