ASTM D2863-17
- standard by ASTM International, 08/15/2017
- Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)
- Category: ASTM
$65.00
$33.00
Full Description
1.1 This fire-test-response standard describes a procedure for measuring the minimum concentration of oxygen, expressed as percent volume, that will just support flaming combustion in a flowing mixture of oxygen and nitrogen.
1.2 This test method provides three testing procedures. Procedure A involves top surface ignition, Procedure B involves propagating ignition, and Procedure C is a short procedure involving the comparison with a specified minimum value of the oxygen index.
1.3 Test specimens used for this test method are prepared into one of six types of specimens (see Table 1).
| Test Specimen TypeA | Dimensions | Material Form |
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| Length, | Width, | Thickness, mm |
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| I | 80 to 150 | 10 ± 0.5 | 4 ± 0.25 | for molding materials |
|
| II | 80 to 150 | 10 ± 0.5 | 10 ± 0.5 | for cellular materials |
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| IIIB | 80 to 150 | 10 ± 0.5 | ≤ 10.5 | for sheet materials |
|
| IV | 70 to 150 | 6.5 ± 0.5 | 3 ± 0.25 | alternative size for |
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| VB | 140 ± 5 | 52 ± 0.5 | ≤10.5 | for flexible film or sheet |
|
| VIB, C | 140 to 200 | 20 | Product Details
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