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Non-combustibility Test
BS EN ISO 1182:2020

United Kingdom Testing and Certification can offer Reaction to Fire Testing Services through strategic partner laboratories that are UKAS accredited for this activity.


Non-combustibility test (BS EN ISO 1182:2020)


This test identifies products that will not, or not significantly, contribute to fire, regardless of their end use.


The fire test has been developed to selected construction products which produce a very limited amount of heat and flame when exposed to temperatures of approximately 750 °C.


The test specimen shall be taken from a sample which is sufficiently large to be representative of the product and shall be cylindrical with a volume of 76 ± 8cm³ and diameter of 45+0mm and a height of ± 3mm.


For non-homogenous (e.g., layered, or composite products) – each component or layer shall be tested separately.


A minimum of 5 samples shall be tested for classification.


After conditioning the samples must be dried in an oven at 60±5°C for 20-24hr. Prior to testing each sample is weighed to an accuracy of 0.01g.

A pot of molten material in an orange colour

The samples are then inserted into a furnace that has been stabilised at 750 ±5°C for a minimum period of 30 min. The following data is recorded:


  • Temperature of the furnace

  • Temperature of the specimen centre and surface

  • Any sustained flaming (3s or longer)

The sample is then removed, allowed to cool, and weighed again. The test report will show:

  • Mass loss (%) of each sample.

  • Temperature rise of each sample

  • Any sustained flaming

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