NBN EN ISO 21606 : 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 General
  4.2 Dimensions
  4.3 Mechanical properties
5 Sampling
6 Test methods
  6.1 Ambient conditions
  6.2 Dimensions
  6.3 Initial extension force, F[0]
  6.4 24 hour residual force, F[24]
  6.5 Ultimate extension, A
7 Marking, labelling and packaging
  7.1 General requirements
  7.2 Packaging and labelling
Bibliography

Applies to all elastomeric auxiliaries including orthodontic elastics, elastomeric bands, chains, links, thread and ligatures used for orthodontics both inside and outside the mouth, in conjunction with fixed and removable appliances.