Textile glass. Staple fibres or filaments. Determination of average diameter Ingestion-build-202139 BS EN 16452:2015+A1:2019 includes some

BS EN 16452:2015+A1:2019 includes some technical changes with respect to BS EN 16452:2015

testing and measuring procedures for the mean launched power of the asynchronous-transfer-mode passive optical network transceiver

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nitric acid) at high temperature or in the presence of high humidity

Textile glass. Staple fibres or filaments. Determination of average diameter Ingestion-build-202139 BS EN 16452:2015+A1:2019 includes some1 Scope 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