DIN EN ISO 6873:2013-07

This standard provides a classification of gypsum products used for dental purposes and specifies requirements on how to proceed with making models, casts, moulds or model bases. This standard describes the test methods to be employed to determine compliance with these requirements. It also includes requirements for the labelling of packaging and for adequate instructions to accompany each package. This International Standard does not apply to dental bone graft substitutes composed of calcium sulfate hemihydrate (or gypsum). The International Standard has been prepared by ISO/TC 106/SC 2/WG 13 "Investments" (secretariat: ANSI, USA) in collaboration with CEN/TC 55 "Dentistry" (secretariat: DIN). The committee responsible at DIN is Working Committee NA 014-00-09 AA "Gipse, Wachse, Einbettmassen" ("Gypsum, waxes, investments ") of NADENT.