9.1 Insulation
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.754(18) – Recommendation on Fire Resistance Tests for “A”, “B” and “F” Class Divisions – (Adopted on 4 November 1993) - Annex - Recommendation on Fire Resistance Tests for “A”, “B” and “F” Class Divisions1 - 9 Performance Criteria - 9.1 Insulation

9.1 Insulation

Parent topic: 9 Performance Criteria

9.1.1 "A" class divisions, including "A" class doors

 The average unexposed-face temperature rise as determined in accordance with 8.4.1 should not be more than 140°C, and the temperature rise recorded by any of the individual unexposed-face thermocouples should not be more than 180°C during the periods given below for each classification:

class "A-60" 60 min
class "A-30" 30 min
class "A-15" 15 min
class "A-0" 0 min

9.1.2 "B" and "F" class divisions, including "B" and "F" class doors

 The average unexposed-face temperature rise as determined in accordance with 8.4.1 should not be more than 140°C, and the temperature rise recorded by any of the individual unexposed-face thermocouples should not be more than 225°C during the periods given below for each classification:

class "B-30" 30 min
class "B-15" 15 min
class "B-0" 0 min
class "F-30" 30 min
class "F-15" 15 min
class "F-0" 0 min
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