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Flame Retardant Testing Equipment
Name：LFY-605B automatic oxygen index tester (high temperature test)
Details
The main purposeIt is used to determine the combustion performance of self-supporting vertical strips or sheet-like plastic materials with a thickness of 10.5mm under test conditions, and it is also suitable for the determination of the combustion performance of vertically supported soft or film materials.
Instrument characteristics
1. It has a combustion tube with heating element and preheater. The temperature in the combustion cylinder is adjustable and controllable.
2. The whole process of the test is controlled by a computer with a high degree of automation. As long as the operator inputs the required oxygen concentration value from the keyboard according to the test requirements, the instrument can automatically track and adjust to stabilize the oxygen concentration at the set value.
3. Directly detect and display the oxygen concentration value of the sample combustion chamber.
4. The automatic ignition mechanism ensures safe and reliable ignition.
5. The computer automatically processes and displays each set of test data, and judges the credibility of the obtained test data.
Technical index
1. Test temperature range: 25℃～150℃;
2. Test temperature control accuracy: ±2℃ when ≤125℃, ±3℃ when >125℃
3. Oxygen concentration setting range: oxygen concentration value 10%～60% (±0.1%);
4. The flow of oxygen and nitrogen can be controlled at the set value, control accuracy: ±0.01L/min, resolution: 0.01L/min;
5. Oxygen concentration step size: can be set from 0.1%;
6. Burning time: 1 second to 300 seconds;
7. Flame height of igniter: 15～20mm adjustable;
8. Ignition time: (15±1) s;
9. Quartz glass combustion cylinder size: inner cylinder (inner diameter ≥ 75 mm, height ≥ 450 mm); outer cylinder (the gap between the inner cylinder and the inner cylinder is between 5 mm and 10 mm, and the height is the same as the inner cylinder).
Applicable standards (for different standards, different accessories are required)
ISO4589-3:1996 "Determination of Oxygen Index of Plastic Combustion Behavior-High Temperature Test"
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