3.2 Heat stability
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Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1312 – Revised Guidelines for the Performance and Testing Criteria, and Surveys of Foam Concentrates for Fixed Fire-Extinguishing Systems – (10 June 2009) - Annex – Revised Guidelines for the Performance and Testing Criteria, and Surveys of Foam Concentrates for Fixed Fire-Extinguishing Systems - 3 Tests for Type Approval of Foam Concentrates - 3.2 Heat stability

3.2 Heat stability

 An unopened 20 l container (or other standard shipping container), as supplied by the manufacturer from a production batch, should be maintained for seven days at 60ēC, followed by one day at room temperature. Following this conditioning, the foam liquid after agitating/stirring will be subjected to the fire test as per subsection 3.9. Only fire tests as per subsection 3.9 should be performed with the heat conditioned sample.

Parent topic: 3 Tests for Type Approval of Foam Concentrates
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