BS 5612:1978
Current
The latest, up-to-date edition.
Specification for dental porcelains for jacket crowns
Hardcopy , PDF
English
31-10-1978
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Foreword
Cooperating organizations
Specification
1. Scope
2. References
3. Definitions
4. Classification
5. Requirements
6. Sampling
7. Inspection
8. Test methods
9. Marking and packing
Appendix
A. Examples of the method of calculation and expression
of results for the test procedures described in 8.9,
8.10 and 8.11
Tables
1. Physical requirements for porcelain specimens
2. Example results after preliminary firing and
grinding
3. Example of results after refiring and regrinding
(cycle 1)
4. Example of results after refiring and regrinding
(cycle 2)
5. Example of results after refiring and regrinding
(cycle 3)
Figures
1. Mould vibrator assembly
2. Mould 25 mm x 6 mm x 3 mm for use in the preparation
of specimens for determination of firing shrinkage
and flexural strength and thermal expansion test
3. Mould phi 16 mm x 1.6 mm for the preparation of
specimens for use in fired porosity and chemical
solubility tests
4. Mould phi 6.0 mm x 4.0 mm for use in pyroplasticity
test
Characteristics of dental porcelains used for jacket crown restorations made entirely of porcelain.
| Committee |
CH/106/2
|
| DevelopmentNote |
Supersedes 73/62382 DC (08/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This British Standard specifies the characteristics of dental porcelains used for jacket crown restorations made entirely of porcelain.
The standard specifies limits and methods of test for mechanical, thermal, optical and other general properties of the materials.
| Standards | Relationship |
| UNE-EN 60603-2:1998 | Identical |
| BS 2071:1968 | Specification for Soxhlet extractors |
| BS 3978:1966 | Specification for water for laboratory use |
| BS 2955:1958 | Glossary of terms relating to powders |
| BS 1134-1:1972 | Method for the assessment of surface texture Method and instrumentation |
| BS 1134-2:1972 | Method for the assessment of surface texture General information and guidance |
| BS 3406-1:1961 | Methods for determination of particle size distribution Sub-division of gross sample down to 0.2 ml |
| BS 3447:1962 | Glossary of terms used in the glass industry |
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