BS 6535-3:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Fire extinguishing media Specification for powder
Hardcopy , PDF
06-15-1995
English
01-31-1989
Foreword
Committees responsible
Specification
0 Introduction
1 Scope
2 Definitions
3 Characterization statement and declared information
4 Bulk density
5 Particle size
6 Chemical content
7 Moisture content
8 Fire test performance
9 Discharge performance
10 Resistance to caking and lumping
11 Foam compatibility and water repellency
12 Resistance to low temperature
13 Electrical insulation value
14 Marking of packaging
15 Production testing
Appendices
A Sampling and conditioning
B Determination of bulk density
C Determination of particle size (sieve analysis)
D Determination of moisture content
E Fire extinguishing performance
F Discharge performance test
G Test for resistance to caking and lumping
H Water repellency test
J Low temperature test
K Electrical insulation test
L Foam compatibility test
M Supplementary requirements for certain Ministry of
Defence applications
Table
1 Production test schedule
Figures
1 Class A test fire
2 Electrical insulation value test cup
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