BS 7225-2.1:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Classification of refractories. Unshaped refractory products Alumina, silica and alumino-silicate products
Hardcopy , PDF
31-07-2007
English
28-02-1990
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Committees responsible
Foreword
Classification
1. Scope
2. Definitions
3. Classification
4. Product type
5. Classification temperature
6. Chemical composition
7. Bulk density
8. Strength
9. Designations
Appendix
A. Coding system
Tables
1. Upper and lower limits for permanent linear change
in dimensions on heating
2. Classification by alumina content
3. Classification by iron oxide content
4. Classification of insulating castables by bulk
density
5. Classification of dense castables by strength
6. Classification of insulating castables by strength
7. Summary of coding used in classification
Classifies prepared unshaped products (mouldables, castables, etc.) on basis of physical and chemical properties.
| Committee |
RPI/1
|
| DevelopmentNote |
Supersedes 86/35665 DC (09/2005)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| BS 7225-2.2:1990 | Classification of refractories. Unshaped refractory products Basic products |
| BS 1902-7.6:1987 | Methods of testing refractory materials. Unshaped refractories used in monolithic construction Testing of materials as preformed test pieces |
| BS 1902-2.1(1988) : 1988 | METHODS OF TESTING REFRACTORY MATERIALS - CHEMICAL ANALYSIS (WET METHODS) - CHEMICAL ANALYSIS OF REFRACTORIES CONTAINING SILICA AND/OR ALUMINA |
| BS 1902-7.2:1987 | Methods of testing refractory materials. Unshaped refractories used in monolithic construction Testing of material as supplied and received (method 1902-702) |
| BS 1902-9.2:1987 | Methods of testing refractory materials. Chemical analysis by instrumental methods Analysis of silica refractories by X-ray fluorescence |
| BS 1902-9.1:1987 | Methods of testing refractory materials. Chemical analysis by instrumental methods Analysis of alumino-silicate refractories by X-ray fluorescence |
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