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ISO 4589-4:2021

Plastics — Determination of burning behaviour by oxygen index — Part 4: High gas velocity test
6. 4. 2021.

Опште информације

90.20     15. 4. 2026.

ISO

ISO/TC 61/SC 4

Međunarodni standard

13.220.40     83.080.01  

engleski  

Kupovina

Objavljen

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Apstrakt

This document specifies a test method for determining the minimum volume fraction of oxygen, in admixture with nitrogen, at ambient temperature, that supports combustion of small vertical sheet test specimen under a specified gas velocity that is higher than that specified in ISO 4589-2.
NOTE            The result is expressed as a high gas velocity oxygen index (HOI).
In addition, this document specifies the testing apparatus for determining the HOI.
The test method is applicable to materials in the form of sheets up to 2 mm thick. It is also applicable to flexible sheet materials that are supported vertically by a specified specimen holder.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 4589-4:2021
90.20 Početak postupka preispitivanja standarda
15. 4. 2026.

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