Plastics. Determination of the total luminous transmittance of transparent materials - Single-beam instrument Ingestion-build-183098 IEC 61730-2 and IEC 60068-2-52

IEC 61730-2 and IEC 60068-2-52

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Plastics. Determination of the total luminous transmittance of transparent materials - Single-beam instrument Ingestion-build-183098 IEC 61730-2 and IEC 60068-2-521 Scope This document covers the determination of the total luminous transmittance, in the visible region of the spectrum, of planar transparent and substantially colourless plastics, using a single beam photometer with a specified CIE Standard light source and photodetector. This document cannot be used for plastics which contain fluorescent materials. This document is applicable to transparent moulding materials, films and sheets not exceeding 10 mm