This standard specifies the definitions, requirements, test methods, inspection rules, marking and other content of foam extinguishing agent.
This standard is applicable to the low, medium and high expansion foam extinguishing agents as well as the foam extinguishing agent used for fire extinguishers.
This standard is not applicable to the foam extinguishing agent used for chemical reaction fire extinguishers.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrections to), or revisions of, any of these publications do not apply. However, all parties coming to an agreement based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB 4351-1997 General Specifications for Portable Fire Extinguishers
GB/T 6003.1-1997 Test Sieves of Metal Wire Cloth (eqv ISO 3310.1:1990)
GB/T 6026 Acetone for Industrial Use
GB/T 6682-1992 Water for Laboratory Use - Specifications (neq ISO 3696:1987)
GB 15368-1994 Portable Foam Fire Extinguishers
SH 0004 Solvent Oil for Use in Rubber Industry
3 Terminologies and Definitions
For the purposes of this standard, the following terminologies and definitions apply.
3.1
Characteristic values
Values declared by the supplier for the physical and chemical properties of foam concentrate and foam solution.
3.2
25% drainage time
Time for 25% of the liquid content of a foam to drain out.
