NF EN ISO 4589-1
Plastics. Determination of burning behaviour by oxygen index. Part 1 : guidance.
Guidance document for the determination of burning behaviour of plastics by the oxygen index (OI). Provides information to guide the reader in the use of the test procedures described in parts 2 and 3.
Guidance document for the determination of burning behaviour of plastics by the oxygen index (OI). Provides information to guide the reader in the use of the test procedures described in parts 2 and 3.
<p>ISO 4589-1:2017 specifies the general requirements for the oxygen index (OI) test which are further described in ISO 4589‑2 and ISO 4589‑3 as follows:</p> <p>- ISO 4589‑2 describes a method for determining the minimum volume fraction of oxygen in a mixture of oxygen and nitrogen introduced at 23 °C ± 2 °C that will just support combustion of a material under specified test conditions;</p> <p>- ISO 4589‑3 describes methods of carrying out the same determination over a range of temperatures typically between 25 °C and 150 °C (although temperatures up to 400 °C can be used).</p>
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