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ČSN EN ISO 13468-1 (640283)
Plastics - Determination of the total luminous transmittance of transparent materials - Part 1: Singlebeam instrument
Translate name
STANDARD published on 1.1.2020
The information about the standard:
Designation standards: ČSN EN ISO 13468-1
Classification mark: 640283
Catalog number: 508572
Publication date standards: 1.1.2020
SKU: NS-979532
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
The category - similar standards:
Annotation of standard text ČSN EN ISO 13468-1 (640283):
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 in thickness. NOTE 1 - Total luminous transmittance can also be determined by a double-beam spectrophotometer as in ISO 13468-2. This document, however, provides a simple but precise, practical and quick determination. This method is suitable for use not only for analytical purposes but also for quality control. NOTE 2 - Substantially colourless plastics include those which are faintly tinted. NOTE 3 - Specimens more than 10 mm thick can be measured provided the instrument can accommodate them, but the results might not be comparable with those obtained using specimens less than 10 mm thick
Preview of the standard ČSN EN ISO 13468-1 (640283)
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