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TABLE 1: TEST METHODS
Class Standard Exposure time (seconds)
A1 PrEN ISO 1182¹ and prEN ISO 1716
A2 PrEN ISO 1182¹ and prEN ISO 1716 and EN ???? SBI*
B EN ???? SBI* and prEN ISO 11 925-2² 30
C EN ???? SBI* and prEN ISO 11 925-2² 30
D EN ???? SBI* and prEN ISO 11 925-2² 30
E PrEN ISO 11 925-2² 15
F None
Key: ¹ For homogeneous products and substantial components of non-homogeneous products. ²Under conditions of surface flame attack and, if appropriate to end use conditions, edge flame attack. *These Standards have not yet been named.