This part of YC/T 169 specifies the method for determining the crimp number of tobacco tows. This section applies to cellulose diacetate tow for cigarettes and polypropylene fiber tow for cigarettes.
YC/T 169.3-2002 history
2009YC/T 169.3-2009 Determination of physical and chemical characteristics of tow for cigarette.Part 3:Crimp number
2002YC/T 169.3-2002 Testing physical and chemical characteristics of tow for cigarette----Part 3: Crimp number