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NBN
NBN EN ISO 1600 : 1ED 99

NBN EN ISO 1600 : 1ED 99

Current

Current

The latest, up-to-date edition.

KUNSTSTOFFEN - CELLULOSEACETAAT - BEPALING VAN DE LICHTABSORPTIE AAN GEPERSTE PROEFMONSTERS VERVAARDIGD MET VERSCHILLENDE VERWARMINGSPERIODEN

Published date

12-01-2013

Publisher

Belgian Standards

      Committees Responsible
      National Foreword
      Method
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Test sample
7 Procedure
8 Expression of results
9 Precision
10 Test report
Figure 1 - Suitable mould

Defines a method for the determination of light absorption of cellulose acetate, employing test specimens taken from two mouldings which have been produced using different periods of heating. The aim is to provide quantitative measurements which are compatible with visual judgements of lightness and yellowness, and of changes in these properties after moulding. The determinations are carried out on cellulose acetate in plasticized form rather than in solution, since a more reliable guide is thereby obtained to the performance of cellulose acetate in plastics materials. This method minimizes the effects of imperfections or haze in the specimens.

DocumentType
Standard
PublisherName
Belgian Standards
Status
Current

Standards Relationship
EN ISO 1600 : 1999 Identical
BS EN ISO 1600:1999 Identical
DIN EN ISO 1600:2000-05 Identical
ISO 1600:1990 Identical
I.S. EN ISO 1600:1999 Identical
UNI EN ISO 1600 : 2001 Identical
UNE-EN ISO 1600:2000 Identical

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