BS 873-1:1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Road traffic signs and internally illuminated bollards Methods of test
Hardcopy , PDF
31-10-2006
English
31-01-1983
Foreword
Cooperating organisations
Methods
1. Scope
2. Definitions
3. Test samples of sign face sheet materials or
sign face materials
4. Photometric properties
5. Measurement of coefficient of retroreflection (R')
6. Colorimetric properties
7. Impact resistance
8. Wind resistance
9. Resistance to twisting
10. Strength of bond between sign face sheet material
and sign plate material
11. Strength of bond between sign faces and solid
glass beads
12. Resistance to solvents
13. Corrosion resistance to saline solution
14. Corrosion resistance to sulphur dioxide
15. Resistance to weathering
16. Measurement of coefficient of retroreflection of
wet retroreflective signs after exposure
17. Measurement of coefficient of retroreflection of
dirty retroreflective signs after exposure
Appendix
A. Relationship between the Regulations, the Traffic
Signs Manual and BS 873
Table
1. Impact tests
Figures
1. Areas for determining luminance gradient
2. Plan of arrangement of apparatus for measuring
the coefficient of retroreflection
3. Arrangement of apparatus for measurement of
resistance to impact of internally illuminated
sign panel and luminaire face panel materials
4. Arrangement of apparatus for measurement of
resistance to impact of non-internally illuminated
sign plate material
5. Assembly of specimens for bond strength test
(sheet materials)
6. Arrangement for testing bond strength of solid
glass beads
7. Apparatus for sulphur dioxide test
8. Apparatus for accelerated weathering test
9. Typical arrangement of atomizers as used in
accelerated weathering test
10. Test arrangement for measurement of coefficient
of retroreflection of wet retroreflective samples
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