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Flammability characteristics of clay-filled epoxies. Data from [12].
| Samples | LOI (%) | Horizontal burner test Time for burning 150 mm in horizontal position (s) |
|---|---|---|
| Virgin epoxy | 18.3 | 260 |
| Epoxy + ammonium clay (4.7 wt %) | 19.7 | 434 |
| Epoxy + phosphonium clay (4.7 wt %) | 19.6 | 464 |
