FIELD: textile industry. SUBSTANCE: invention relates to standardization of bast-fiber materials, particularly to quality control of scotched flax fiber to determine its process value. Method includes integrated evaluation of fiber quality depending on handful length and color of scotched fiber, coefficient of variation regarding given properties, gain of hackled fiber, and factor characterizing change in its color compared to color of scotched flax fiber. EFFECT: facilitated determination of process value of fiber. 3 tbl
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