ISO 13468 Digital Textile Tear Tester— Determination of the total luminous transmittance of transparent materials

ISO 13468 Plastics — Determination of the total luminous transmittance of transparent materials

1 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

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.

Digital Textile Tear Tester GA-4012

2.Scope of application :

It is a powerful, general instrument, through a wide range of redesigned, with a modern look and a series of new features, inherent flexibility to test a wide range of material category, including textiles, fabric, paper, cardboard, plastics and medical products, etc.

ISO 13468 Plastics — Determination of the total luminous transmittance of transparent materials

Our machine GA-4012 is designed according to this standard and is currently widely used internationally.
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