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BS 2782-5:Methods 530A and 530B:1976

BS 2782-5:Methods 530A and 530B:1976

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Methods of testing plastics. Optical and colour properties, weathering Determination of yellowness index. Determination of the colour of near-white or near-colourless materials

Available format(s)

Hardcopy , PDF

Withdrawn date

08-02-2013

Language(s)

English

Published date

10-29-1976

Publisher

British Standards Institution

NO CONTENTS SECTION

Specifies instrumental procedures for measuring the colour of non-fluorescent, near-white opaque or translucent materials, or near-colourless transparent plastics materials. Method 530A is suitable where the only characteristic of significance is yellowness. Giving a 'yellowness index' in appropriate cases. Method 530B is more general and is suitable where a fuller description of colour and lightness characteristics is required. Both are suitable for the transmittance of transparent and translucent plastics materials and to the reflectance of opaque plastics materials and suitably backed translucent plastics materials. The methods are of particular value in measuring changes produced by ageing processes.

Committee
PRI/21
DevelopmentNote
Supersedes 70/11332 DC. (06/2003) Inactive for the new design. (09/2008)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Withdrawn
Supersedes

BS 2782-5:Method 540B:1982 Methods of testing plastics. Optical and colour properties, weathering Methods of exposure to laboratory light sources, (xenon arc lamp, enclosed carbon arc lamp, open-flame carbon arc lamp, fluorescent tube lamps)
BS 1125:1987 Specification for WC flushing cisterns (including dual flush cisterns and flush pipes)
BS 3062:1985 Specification for ophthalmic lens materials

ISO 1600:1990 Plastics Cellulose acetate Determination of light absorption on moulded specimens produced using different periods of heating
ASTM D 2244 : 2016 : REDLINE Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates

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Hardcopy - English
PDF - English
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