2 Definitions
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1384 – Guidelines for the Testing and Approval of Fixed High-Expansion Foam Systems – (10 December 2010) - Annex – Guidelines for the Testing and Approval of Fized High-Expansion Foam Systems - Appendix 4 – Optional Small Scale Test Method for High–Expansion Foam Concentrates to be Used With Inside Air - 2 Definitions

2 Definitions

  2.1 Drainage time is the time taken for the original premix to drain out of the generated foam.

  2.2 Expansion ratio is the ratio of the volume of foam to the volume of the premix from which it was made.

  2.3 Foam concentrate is the liquid which, when mixed with water in the appropriate concentration, gives a premix.

  2.4 Premix is the solution of foam concentrate and water.

Parent topic: Appendix 4 – Optional Small Scale Test Method for High–Expansion Foam Concentrates to be Used With Inside Air
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