Are there any regulations or standards related to the oxygen index test?

There are several regulations and standards related to the oxygen index test, which is a test used to measure the minimum concentration of oxygen required to support combustion of a material. Some of the most important regulations and standards related to the oxygen index test are:

1. ASTM D2863 Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (commonly known as the Oxygen Index Test Standard): This standard describes the procedure for testing the oxygen index of plastics.

2. ISO 4589-2 Standard: This provides a similar procedure to ASTM D2863 for the determination of the minimum oxygen concentration to support combustion of plastics, with slight deviations between the two.

3. GB/T 2406.2 Standard: This is the Chinese version of the ASTM D2863 Standard and outlines the same procedures as the ASTM standard.

4. UL 94 Test: This is a test under the Underwriters Laboratories standards for flammability testing, which is used to evaluate the flammability of plastic materials.

5. IEC 60695-11-20 Standard: This provides a test procedure for measuring the minimum concentration of oxygen in a gaseous mixture necessary to support ignition and combustion of a material.

These regulations and standards provide guidance on the test method, sample preparation, measurement procedures, testing equipment, and other factors that affect the accuracy and repeatability of the oxygen index test. Compliance with these standards is important for ensuring consistent and reliable test results, and for comparing the results of different tests.