HomeProducts Select by Industry Building Component Testing Equipment High-Temperature Digital Display Limiting Oxygen Index Test Apparatus
High-Temperature Digital Display Limiting Oxygen Index Test Apparatus
  • High-Temperature Digital Display Limiting Oxygen Index Test Apparatus
High-Temperature Digital Display Limiting Oxygen Index Test Apparatus

High-Temperature Digital Display Limiting Oxygen Index Test Apparatus

The Limiting Oxygen Index Test Apparatus meets the requirements of ISO4589-3:2017, suitable for evaluating the combustion performance of materials such as solid, laminated, foams, soft flakes and thin films under specified environments.


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1. Scope of application:

It's suitable for evaluating the combustion performance of materials such as solid, laminated, foams, soft flakes and thin films under specified environments.


2. Compliant standards:

It meets the requirements of ISO4589-3:2017 "Plastics - Determination of burning behavior by oxygen index Part 3: Elevated-temperature Test".


3. Main parameters:

3.1 Test temperature: continuous setting from room temperature to 150℃;

3.2 Temperature deviation: ±1%℃;

3.3 Oxygen concentration (oxygen index): direct reading by digital display. Resolution: 0.1%.

3.4 Air supply pipeline: flow meter, pressure gauge and needle valve.

3.5 Measuring range: 0~100%/O2, resolution: 0.1%L/min

3.6 Measurement accuracy: class 2.5

3.7 Combustion cylinder: quartz glass cylinder, inner diameter: 75mm, height: 450mm

3.8 The gas flow rate at the top of the combustion cylinder: 90mm±10mm/s

3.9 The gas flow rate in the combustion cylinder: 40mm±2mm/s

3.10 Input pressure: adjustable from 0.25 to 0.5 Mpa

3.11 Flow meter: one for oxygen and one for nitrogen, range 1~10L/min, resolution 0.1L/min

3.12 Oxygen and nitrogen mixed gas inlet: including pressure regulator valve, flow regulating valve and mixing chamber.

3.13 Ignition: dedicated propane hand-held electronic electric firearms. Using a copper tube with a diameter of 2.0mm, the flame can be adjusted to spray 16mm±4mm vertically downward from the outlet.

3.14 Specimen clamps: one set of hard self-supporting material and one set of soft material clamp;

3.15 Heating system: use nickel-chromium alloy rapid heating electric heating wire, which is wound on the glass tube in sections to ensure the uniform temperature in the test tube

3.16 Temperature measurement system: mineral insulated heater thermocouple ¢1.5mmmm

3.17 Gas source: oxygen and nitrogen with a purity of more than 98% (provided by the buyer);

3.18 Power requirements: AC220 (±10%) V/50HZ;

3.19 Dimensions: L630*W350*H655 (unit: mm)

digital display limiting oxygen index test apparatus

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HomeProducts Select by Industry Building Component Testing Equipment High-Temperature Digital Display Limiting Oxygen Index Test Apparatus

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