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BSI 20/30379043 DC 2020

BSI 20/30379043 DC 2020

$13.70

BS ISO 4589-4. Plastics. Determination of burning behaviour by oxygen index – Part 4. High gas velocity test

Published By Publication Date Number of Pages
BSI 2020 38
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This part of ISO 4589 specifies a test method for determining the minimum volume fraction of oxygen, in admixture with nitrogen, at ambient temperature, that will support combustion of small vertical sheet test specimen under a specified gas velocity that is higher than that specified in Part 2 of ISO 4589. The result is expressed as a “high gas velocity oxygen index” (HOI).

In addition, it specifies the testing apparatus for determining the HOI.

The test method is applicable to materials in the form of sheets up to 2mm thick. It is also applicable to flexible sheet materials that are supported vertically by a specified specimen holder.

BSI 20/30379043 DC 2020
$13.70