Limiting Oxygen Index Tester
The Limiting Oxygen Index Tester measures the minimum oxygen concentration needed to sustain combustion of solid materials like textiles and plastics. Samples are fixed vertically in a transparent cylinder with an oxygen-nitrogen mixture, ignited at the top, and observed for combustion characteristics. By comparing burn time or length against limits, the ultimate oxygen index is determined, offering an efficient, user-friendly method for material research and quality control.
Application
This instrument measures the minimum oxygen volume percentage concentration at just required for maintaining combustion of the polymer.it is suitable for a wide range of materials by changing the sample fixture used in a variety of mechanical properties of the sample.lt can be used for the determination of burning performance of plastics, rubber, fiber, foam, film, textile and wood.
It is applicable to the performance verification of new products, quality control of the production department, and the of material properties for the third-party testing organization, the product performance verification laboratory, and the quality and technical supervisiondepartment, etc.
Standards
GBT 2406.1 Plastics Test of burning behaviour by oxygen index-Part 1: guideline;
GBT 2406.2 Plastics Test of burning behaviour by oxygen index -Part 2: Indoor-temperature test;
GBT 5454 Textiles Performance test of burning by oxygen index;
GBT 10707 Rubber Performance test of burning behaviour;
ISO 4589-2 Plastics Test of burning behaviour by oxygen index -Part 2: Indoor-temperature test;
ASTM -- D2863 Standard Test Method for Measuring the Minimum Oxygen Concentration of material combustion which is similar to plastics material (Oxygen Index);
IS0 4589-3 (Please inquire separately for the apparatus for the
ISO 4589-2 " Plastics -- Determination of burning behaviour by oxygen index -- Part 2: Ambient-temperature test”
NES 714. EN 45545-2.JIS 7201. BS 2782. etc.,
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