BS476-5/BS 476-5:1979 Ignitability test

BS476-5/BS 476-5:1979 Ignitability test 
BS 476-5: Fire tests on building materials and structures-Part 5. Method of test for ignitability 
The method for rigid or semi-rigid materials or composites 

Evaluate BS476-5/BS 476-5:1979 Ignitability testing
1．none of the specimen flames for more than 10s after removal of the test flame, and
2．Burning of any specimen does not extend to an edge (from the bottom edge 75mm) during the application of the test flame or within the 10s period its removal.

BS476-5/BS 476-5:1979 reference standard
BS 476: Fire tests on building materials and structures. 
BS 476-3:2004 external fire exposure roof test 
BS 476-4:1970 Non-combustibility test for materials
BS 476-5:1979 Method of test of ignitability
BS476-6:1989+A1:2009 Method of test for propagation for materials
BS 476-7:1997 Surface spread of flame test for material

BS 476-11:1982 Method for assessing the heat emission from building materials
BS 476-12:1991 Ignitability of products by direct flame impingement 
BS 476-15:1992 Method for measuring heat release of products-cone calorimeter
BS 476-20:1987 Method for determination of the fire resistance of elements of construction (general principles) 
BS 476-21:1987 Methods for determination of the fire resistance of loadbearing elements of construction 
BS 476-22:1987 Methods for determination of the fire resistance of non-loadbearing elements of construction

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