CEN/TC 55
| Project No. | EN 21563:1991 |
|---|---|
| Title | Establishment of the classification of and specification of the requirements for impression materials in powder form containing an alginate as the gel-forming ingredient. This standard replaces ISO/R 1563/1970 of which it constitutes a technical revision. The figures show the different test apparatus, instruments and components. |
| Registration number (WIID) | 1309 |
| Scope | Establishment of the classification of and specification of the requirements for impression materials in powder form containing an alginate as the gel-forming ingredient. This standard replaces ISO/R 1563/1970 of which it constitutes a technical revision. The figures show the different test apparatus, instruments and components. |
| Status | Atcelts |
| ICS group | 11.060.10 |