BS 6535-3:1989

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

Requirements and methods of test for physical characteristics, discharge and extinguishing performance. Includes production testing and marking of packaging.