Historical
ISO 1888:1996
Textile glass -- Staple fibres or filaments -- Determination of average diameter
This International Standard specifies longitudinal-profile and transverse-section methods for determining the average diameter (i.e. the average value of actual diameters) of staple fibres or filaments in a textile glass product.
This diameter must not be confused with the nominal diameter which is used in the designation of yarns and materials manufactured from these yarns and corresponds to the average diameter but rounded to the nearest whole number.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]