Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Grades and uses of foam concentrates
5 Tolerance of the foam concentrate to freezing and thawing
6 Sediment in the foam concentrate
7 Viscosity of the foam concentrate
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 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
Annex G (normative) - Determination of test fire performance
Annex H (informative) - Small-scale fire test
Annex I (informative) - Description of a radiation measurement
        method
Annex J (informative) - Compatibility
Bibliography

Abstract

This part of ISO 7203 specifies the essential properties and performance of liquid foam concentrates used to make low-expansion foams for the control, extinction and inhibition of reignition of fires of water-miscible liquids.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 21
Supersedes	ISO 7203-3 : 1999