eLibrary >
ISO 7203-1:2019 Fire extinguishing media - Foam concentrates - Part 1: Specification for low-expansion foam concentrates for top application to water-immiscible liquids >
ISO 7203-1:2019 Fire extinguishing media - Foam concentrates - Part 1: Specification for low-expansion foam concentrates for top application to water-immiscible liquids, 2019
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Grades and uses of foam concentrates
- 4.1 Grades
- 4.2 Use with sea water
- 5 Tolerance of foam concentrates to freezing and thawing
- 6 Sediment in foam concentrates
- 6.1 Sediment before ageing
- 6.2 Sediment after ageing
- 7 Determination of viscosity
- 7.1 Newtonian foam concentrates
- 7.2 Pseudo-plastic foam concentrates
- 8 pH of foam concentrates
- 8.1 pH limits
- 8.2 Sensitivity to temperature
- 9 Surface tension of the foam solution
- 9.1 Before temperature conditioning
- 9.2 Temperature sensitivity
- 10 Interfacial tension between the foam solution and cyclohexane
- 10.1 General
- 10.2 Before temperature conditioning
- 10.3 Temperature sensitivity
- 11 Spreading coefficient of the foam solution on cyclohexane
- 12 Expansion and drainage of foam
- 12.1 General
- 12.2 Expansion limits
- 12.3 Drainage limits
- 13 Test fire performance
- 14 Marking, packaging and specification sheet
- 14.1 Marking
- 14.2 Packaging
- 14.3 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
- Annex G (normative) Determination of test fire performance
- Annex H (informative) Description of a radiation measurement method
- Annex I (informative) Compatibility
- Annex J (informative) Small-scale fire test
- Bibliography [Go to Page]