Information on the most widely used ASTM standards within the materials testing industry
Model: YZS-100A, YZS-100B
Oxygen Index Apparatus/LOI tester (Limitation Oxygen Index tester) is widely used to measure burning performance of plastics, rubber, fiber, foam, softening sheet, film etc.,
The Oxygen Index is the most economical and precise quality control test of combustible materials. Its ease of use together with high levels of precision has made this technique a primary characterising and quality control tool to the plastic and electric cable industries and it has been specified by several military and transport groups. The technique measures the minimum percentage of oxygen in the test atmosphere that is required to marginally support combustion.
General introduction
Oxygen Index Apparatus/LOI tester (Limitation Oxygen Index tester) is widely used to measure burning performance of plastics, rubber, fiber, foam, softening sheet, film etc.,
The Oxygen Index is, perhaps, the most economical and precise quality control test of combustible materials. Its ease of use together with high levels of precision has made this technique a primary characterising and quality control tool to the plastic and electric cable industries and it has been specified by several military and transport groups. The technique measures the minimum percentage of oxygen in the test atmosphere that is required to marginally support combustion.

Main Features
1, Reasonable structure, easy to operate, consist by main control box and burning tube.
2, Adopt Imported high accuracy oxygen sensor, digital display the oxygen concentration value, eliminated personal error. High accuracy, long working life, easy operation etc. features.
3, Front panel is ash black plasticvneree frosting face, 304 SS decorate strip surrounding, with beautiful appearance.
4, YZS-100A is dial gauge pressure indication, YZS-100B is digital gauge pressure indication.
ISO 4589-2 " Plastics -- Determination of burning behaviour by oxygen index -- Part 2: Ambient-temperature test”
ASTM D2863 " Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index) “
NES 714, EN 45545-2. etc.,
Plastic material, cable insulation, duct insulation, laminate, printed circuit board, foam, rubber, film etc,
Main technical specification
| Model | YZS-100A | YZS-100B |
| Pressure display | Dial gauge | Digital meter |
| Limitation Oxygen index value | Digital reading directly | |
| Burning tube inner diameter | 100mm 75mm (optional) | |
| Burning tube height | 450mm | |
| Flow meter accuracy | 2.5 calss | |
| Pressure meter accuracy | 2.5 calss | |
| Gas source | Oxygen, Nitrogen | |
| Input pressure | 0.2~0.3Mpa | |
| Working pressure | 0.05~ 0.15Mpa | |
| Oxygen concentration resolution | 0.1% | |
| Sample type | Self supporting, or non-self supporting | |
| Weight | Frame: 52Kg Gross weight: 65Kg | |
| Dimension | Frame: 590*480*560mm Package: 690*580*790mm | |
| Power | 220V, 50Hz/110V, 60HZ, single phase | |
Main Accessories
| Item | Quantity |
| Frame | 1 set |
| Burning tube | 1 set |
| Igniter | 1 pc |
| Sample clip | 2 pcs |
| Tube clip | 1 pc |
| Stopwatch | 1 pc |
| Strengthen plastic tube | 1 pc |
| Glass ball | 2 bags |
| Documents (Manual, packing list, certificate) | |
self supporting material gripper
sample supporting fixture
non-self supporting material gripper
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