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

ISO 14356:2002 specifies 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.