UNI EN 1568-3 : 2008

Foreword
Introduction
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 concentrate and
        performance
Annex B (normative) - Preliminary sampling of foam
        concentrates
Annex C (normative) - Determination of percentage sediment
Annex D (normative) - Determination of Viscosity for
        pseudo-plastic foam concentrates
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

Describes requirements for chemical and physical properties, and minimum performance requirements of low expansion foams suitable for surface application to water-immiscible liquids.