How does the oxygen index test

The oxygen index test measures the minimum concentration of oxygen in a mixture of oxygen and nitrogen that is needed to support combustion of a plastic material. This test is used to determine the material’s resistance to burning and is often used for materials that are intended for use in high-risk applications, such as aircraft interiors. https://www.standard-groups.com/en/News/1007.html#mThe UL 94 test is a standardized test method used to evaluate the flammability of plastic materials used in electrical devices and appliances. The test involves exposing a sample of the material to a small flame and observing its behavior. The UL 94 test assigns a classification rating to the material based on its performance in the test, with ratings ranging from V-0 (highest rating) to HB (lowest rating).

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