NEN EN ISO 4823 : 2015
Current
The latest, up-to-date edition.
DENTISTRY - ELASTOMERIC IMPRESSION MATERIALS
12-01-2013
Foreword
1 Scope
2 Normative reference
3 Definitions
4 Classification
5 Biocompatibility advisory
6 Requirements for characteristics and properties
6.1 Components colours
6.2 Mixing time(hand-spatulated or hand-kneaded mixes)
6.3 Working time
6.4 Compatibility with gypsum
7 Sampling
8 Test methods- General
8.1 Laboratory conditions
8.2 Apparatus function verification
8.3 Material manipulation and specimen preparation
8.4 Pass/fail determinations
8.5 Expression of test results
9 Test methods-Specific
9.1 Mixing-time test
9.2 Consistency test
9.3 Working-time test
9.4 Detail reproduction test
9.5 Linear dimensional change test
9.6 Test for compatibility with gypsum
9.7 Elastic recovery test
9.8 Strain-in-compression test
10 Requirements for information in manufacturer's
instructions
10.1 General
10.2 Identifying information
10.3 Specific instructions for use
11 Requirements for packaging and labelling
11.1 Packaging requirements
11.2 labelling requirements
Annex A (informative) Working-time test instrument
components - Possible sources
Bibliography
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