NEN EN ISO 14356 : 2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification by types
5 Material characteristics and properties - Requirements
   5.1 General
   5.2 Melting temperature - Type 1 materials
   5.3 Pouring temperature - Type 1 materials
   5.4 Component colours - Type 2 materials
   5.5 Detail reproduction
   5.6 Compatibility with refractory investment (and gypsum
       if applicable)
   5.7 Elastic recovery
   5.8 Tear strength
   5.9 Resistance to fungal growth - Type 1 materials only
6 Sampling
7 Test methods - General
   7.1 Laboratory conditions
   7.2 Verification of apparatus function
   7.3 Specimen preparation and testing
   7.4 Pass/fail determinations
   7.5 Expression of test results
8 Specific specimen preparation and test procedures
   8.1 Melting temperature test - Type 1 materials only
   8.2 Detail reproduction test
   8.3 Test for compatibility with refractory investment (and
       gypsum if applicable)
   8.4 Elastic recovery test
   8.5 Tear strength test
   8.6 Fungal growth resistance test - Type 1 agar materials only
9 Requirements for packaging
10 Requirements for labelling
11 Instructions for use - Required information
Annex A (informative) Optional procedure for tear test

Defines requirements and tests for the duplicating materials used in dentistry which are primarily intended for forming flexible moulds needed to produce positive refractory investment copies of properly blocked-out master models.