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NBN EN 1568-4 : 2008 COR 2010
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The latest, up-to-date edition.
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FIRE EXTINGUISHING MEDIA - FOAM CONCENTRATES - PART 4: SPECIFICATION FOR LOW EXPANSION FOAM CONCENTRATES FOR SURFACE APPLICATION TO WATER-MISCIBLE LIQUIDS
12-01-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Sediment in the foam concentrate
5 Viscosity of the foam concentrate
6 pH of the foam concentrate
7 Surface tension of the foam solution
8 Spreading coefficient of the foam solutions
9 Expansion and drainage of foam
10 Test fire performance
11 Container marking
Annex A (informative) Grades of foam concentrates
Annex B (normative) Preliminary sampling of foam
concentrates
Annex C (normative) Determination of percentage sediment
Annex D (normative) Viscosity determination for
pseudoplastic foam concentrate
Annex E (normative) Temperature conditioning of foam
concentrates
Annex F (normative) Determination of surface tension and
spreading coefficient
Annex G (normative) Determination of expansion and drainage
time
Annex H (normative) Determination of test fire performance
Annex I (informative) Small-scale fire test
Annex J (informative) Description of a radiation measurement
method
Annex K (informative) A-deviations
Bibliography
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