2.4.2.: Classification criteria

2.4.2.1. An oxidising gas shall be classified in a single category for this class in accordance with Table 2.4.1.:

Table 2.4.1

Criteria for oxidising gases

Category	Criteria
1	Any gas which may, generally by providing oxygen, cause or contribute to the combustion of other material more than air does.

▼M4

Note:

‘Gases which cause or contribute to the combustion of other material more than air does’ means pure gases or gas mixtures with an oxidising power greater than 23,5 % as determined by a method specified in ISO 10156 as amended.

▼B

2.4.1.

2.4.3.

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2.4.2.: Classification criteria