Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification and uses of foam concentrates
5 Tolerance of the foam concentrate to freezing
   and thawing
6 Sediment in the foam concentrate
7 Determination of viscosity for pseudo-plastic
   foam concentrates
8 pH of the foam concentrate
9 Surface tension of the foam solution
10 Interfacial tension between the foam solution
   and cyclohexane
11 Spreading coefficient of the foam solution on
   cyclohexane
12 Expansion and drainage of foam
13 Test fire performance
14 Marking, packaging and specification sheet
Annex A (normative) - Preliminary sampling and
        conditioning of the foam concentrate
Annex B (normative) - Determination of tolerance
        to freezing and thawing
Annex C (normative) - Determination of volume
        percentage of sediment
Annex D (normative) - Determination of viscosity
        for pseudo-plastic foam concentrates
Annex E (normative) - Determination of surface
        tension, interfacial tension and spreading
        coefficient
Annex F (normative) - Determination of expansion
        and drainage time for medium-expansion
        foam concentrates
Annex G (normative) - Determination of expansion
        and drainage time for high-expansion foam
        concentrates
Annex H (normative) - Determination of test fire
        performance for medium-expansion foam
        concentrates
Annex I (normative) - Determination of test fire
        performance for high-expansion foam concentrates
Annex J (normative) - Determination of radiation
        measurement method
Annex K (informative) - Compatibility
Bibliography

Abstract

Describes the essential properties and performance of liquid foam concentrates used to make medium- or high-expansion foams or both for the control, extinction and inhibition of reignition of fires of water-immiscible liquids.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 21
Supersedes	ISO 7203-2 : 1995