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Overview ISO 5658-4:2001 - Reaction to fire tests - Spread of flame - Part 4 specifies an intermediate-scale test method for measuring the vertical spread (upward and downward) of flame over a vertic…
1 Scope 1.1 This part of ISO 5658 specifies an intermediate-scale method of test for measuring the vertical spread (upward and downward) of flame over a specimen of a product orientated in the vertic…