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ISO 7203-4:2022 Fire extinguishing media - Foam concentrates - Part 4: Specification for Class A foam concentrates for application on Class A fires >
ISO 7203-4:2022 Fire extinguishing media - Foam concentrates - Part 4: Specification for Class A foam concentrates for application on Class A fires, 2022
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Type and use of Class A foam concentrates [Go to Page]
- 5 Tolerance of the foam concentrate to freezing and thawing
- 6 Sediment in the foam concentrate [Go to Page]
- 7 Determination of viscosity [Go to Page]
- 8 pH of the foam concentrate [Go to Page]
- 9 Surface tension of the foam solution [Go to Page]
- 10 Expansion and drainage of foam [Go to Page]
- 11 Test fire performance
- 12 Corrosion
- 13 Toxicology and environmental information
- 14 Marking, packaging and specification sheet [Go to Page]
- 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
- Annex F (normative) Determination of expansion and drainage time
- Annex G (normative) Determination of fire test performance
- Annex H (normative) Toxicology and environmental information
- Annex I (informative) Compatibility
- Annex J (normative) Determination of viscosity using a rotational viscometer with defined shear rate
- Bibliography [Go to Page]