SN EN 1568-4 : 2008 CORR 2010
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
FIRE EXTINGUISHING MEDIA - FOAM CONCENTRATES - PART 4: SPECIFICATION FOR LOW EXPANSION FOAM CONCENTRATES FOR SURFACE APPLICATION TO WATER-MISCIBLE LIQUIDS
30-11-2019
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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