BS476-4:Non-combustibility test for materials

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BS476-4: Fire tests on building materials and structures- Part 4: Non-combustibility test for materials
 
 
BS 476-4 Fire Test to Building Material – Standard
 
BS476-4: Fire tests on building materials and structures- Part 4: Non-combustibility test for materials
 
BS 476-4 Fire Test to Building Material –Standard Method
 
BS 476-4 Fire tests on building materials and structures- Part 4: Non-combustibility test for materials.
The specimen is weighted and placed into a basket. A thermocouple is inserted into the centre of the specimen and connected to the logging equipment. In addition the specimen thermocouple, there is also a thermocouple placed inside of the furnace. The specimen is lowered into the furnace (which is set at 750°C) and remains in this position for the entire 20 minute test duration.
 
BS 476-4 Fire Test to Building Material –Require
 
-  Temperature rise (furnace and centre of specimen) should be ≤ 50°C
-  Period of sustained flaming should be ≤ 10 seconds
 
BS 476-4Fire Test to Building Material – Relative Standard
 
-  BS 476: Fire tests on building materials and structures
-  BS 476-7Fire Tests on Building Materials and Structures Part 7: Method of Test to Determine the Classification of the Surface Spread of Flame of Products
-  EN 13501-1: Fire classification of construction products and building elements- Part1: Classification using data from reaction to fire tests
-  AS 1530Methods for fire tests on building materialscomponents and structures AS/NZS 1530.1Methods for fire tests on building materialscomponents and structures Combustibility test for materials
-  AS/NZS 1530.2Methods for fire tests on building materialsComponents and structures - Test for flammability of materials
-  GB 8624: Classification for burning behavior of building materials and products

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