This standard specifies the method for determining the bending length of fabrics, and gives the formula for calculating the bending stiffness based on the bending length. This standard applies to all types of fabrics.
GB/T 18318-2001 history
2009GB/T 18318.1-2009 Textiles.Determination of bending behavior.Part 1:Incline method
2001GB/T 18318-2001 Textiles--Determination of bending length of fabrics