BS 7918-1:1999
Current
The latest, up-to-date edition.
Visual imperfections in rubber products Vocabulary
Hardcopy , PDF
English
15-04-1999
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Committees responsible
Foreword
1 Scope
2 Terms and definitions
Bibliography
Figures
1 Surface depressions (air entrapment)
2 Two plate mould with split line
3 Blister
4 Flash thickness
5 Removal of inclusions
6 Knit lines
7 Surface depressions (laking)
8 Surface depression in a rubber covered roller as an
example of localized bond failure
9 Off-register
10 Pitting
11 Scorch (localized and generalized)
12 Trimming
13 Surface splits
14 Cellular porosity and roughened texture
15 Witness marks
Specifies terms used to describe the visual imperfections in rubber products. Also contains schematic drawings illustrating the terms.
| Committee |
PRI/73
|
| DevelopmentNote |
Supersedes 95/124810 DC (10/2005) Reviewed and confirmed by BSI, November 2012. (10/2012)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This British Standard defines terms used to describe the visual imperfections sometimes found in rubber products. The vocabulary is supplemented by schematic drawings which illustrate the terms.
Imperfections in cellular products, for example gloss and colour imperfections, and instrumental methods of measurement are outside the scope of this standard, as are toroidal sealing rings (O-rings), for which reference should be made to BS 6442.
| BS 3558-1:1997 | Glossary of rubber terms International terms |
| BS 6442:1984 | Specification for limits of surface imperfections on elastomeric toroidal sealing rings (\'O\'-rings) |
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