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Summary:
The oxygen index test machine is used to determine the volume percentage of oxygen required in the process of polymer combustion. The oxygen index value of polymer is the lowest oxygen concentration (also known as oxygen index) required for maintaining the pattern combustion in the oxygen nitrogen mixture flow required for maintaining combustion for 50 mm or 180 s after the material is ignited.
The oxygen index analyzer can not only be used as a means to identify the flame retardancy of polymer, but also as a research tool, which provides a powerful test means for laboratory research on flame retardant formula and development of new flame retardant materials. It is suitable for combustibility testing of solid materials, laminated materials, foam plastics, fabrics, films and films.
The instrument structure design is reasonable, and the operation and maintenance is convenient. The imported oxygen sensor is used in the test system, and the results are displayed by digital. It is an ideal test equipment for scientific research and production quality control.
Main technical specifications:
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Combustion cylinder |
inner diameter ≥ 75mm 400mm high |
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Gas flow rate in combustion cylinder |
40mm ± 10mm / S |
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oxygen sensor |
Test range is 0-100%, the oxygen concentration can be displayed digitally without calculation. The precision is higher and more accurate |
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Digital resolution |
± 0.1% |
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Measurement accuracy |
0.4 grade |
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Flow regulation range |
0-10L/ min (60-600L/H) |
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Response time |
< 5S |
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Accuracy of pressure gauge |
2.5 grade |
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Resolution of pressure gauge |
0.01Mpa |
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Flowmeter |
1-15L/ min (60-900L/H) adjustable |
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Sample holder |
used for soft and hard plastics, textiles, fire doors, etc |
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Ignition system |
Propane (butane) , flame length 5mm-60mm, freely adjustable |
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Gas |
industrial nitrogen, oxygen, purity > 99%( Provided by the user) |
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Igniter |
made of metal tube, with nozzle at the end, inner diameter Φ 2±1mm. It can be inserted into the combustion chamber to ignite the sample, the flame length is 16 ± 4mm, Adjustable size |
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Self supporting material sample holder |
it can be fixed on the axial position of the combustion cylinder and vertically hold the sample |
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Non self supporting material sample holder |
it can fix two vertical sides of the sample on the frame at the same time |
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