This International Standard specifies two permeametric methods for determining the fineness of flax fibers: a reference method, with two compressions, using a parallel fiber test piece (Chapter 5); a simplified method, with one compression, using a test piece of fibers arranged “at random” (chapter 6);
NF G07-074:2016 Referenced Document
ISO 1130 Textile fibres; Some methods of sampling for testing
ISO 139 Textiles — Standard atmospheres for conditioning and testing AMENDMENT 1
NF G07-074:2016 history
2016NF G07-074:2016 Textiles - Determination of fineness of flax fibres - Permeametric methods