NEN EN ISO 6873 : 2013

1 Scope
2 Normative references
3 Definition
4 Classification and designation
5 Requirements
      5.1 Quality
      5.2 Fluidity at pouring time (Type 1 materials
             only)
      5.3 Setting time
      5.4 Linear setting expansion
      5.5 Fracture (Type 1 materials only)
      5.6 Compressive strength
      5.7 Reproduction of detail
6 Sampling
      6.1 Sampling
      6.2 Test conditions
      6.3 Mixing method
7 Test methods
      7.1 Inspection
      7.2 Fluidity at pouring time for Type 1 materials
      7.3 Setting time
      7.4 Linear setting expansion
      7.5 Fracture
      7.6 Compressive strength
      7.7 Reproduction of detail
8 Packaging, marking and information to be supplied by
      the manufacturer
      8.1 Packaging
      8.2 Labelling
      8.3 Information to be supplied by the manufacturer

Specifies classification of, and requirements for, gypsum products used for dental purposes, for example making oral impressions, casts, dies or moulds. Gives test procedures to be used for determining compliance with these requirements. Also covers requirements for labelling of packaging, and for sufficient instructions to come with each package.