BS EN ISO 4589-3:1996 Plastics. Determination of burning behaviour by oxygen index - Elevated temperature test
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BS EN ISO 4589-3:1996 is a British Standard (BS) that adopts the European Standard (EN) and the International Organization for Standardization (ISO) standards. Specifically, it pertains to plastics and outlines a method for determining the burning behavior of plastics through the measurement of the oxygen index at elevated temperatures. The full title of the standard is:
"Plastics - Determination of burning behaviour by oxygen index - Part 3: Elevated temperature test"
The oxygen index (OI) is a measure of the flammability of a material, particularly polymers or plastics. It indicates the minimum concentration of oxygen in a mixture of oxygen and nitrogen that will support combustion of the material. In other words, the higher the oxygen index, the more fire-resistant the material is.
This standard, BS EN ISO 4589-3:1996, focuses on the determination of the oxygen index at elevated temperatures, which simulates more severe fire conditions. It provides guidelines for conducting the test and calculating the oxygen index value for plastics.
It's important to note that standards like this help ensure consistency in testing and assessment of material properties. They are used by industries, regulatory bodies, and researchers to ensure the safety and quality of materials, as well as to establish compliance with relevant safety regulations and codes. Keep in mind that standards can get updated over time, so it's advisable to check for the latest version or revisions if you're working with such standards in a professional context.
Testing conditions; Ignitability; Combustion test methods; Temperature measurement; Vertical; Flammability; Oxygen index; Polymers; Specimen preparation; Temperature; Plastics; Chemical indices; Test equipment; Fire tests
