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Flame retardancy and combustion parameters of cured epoxy resins.
| System | P content (wt%) |
N content (wt%) |
LOI (%) |
UL-94 | av-HRR (kW/m2) |
pk-HRR (kW/m2) | av-EHC (MJ/kg) |
|---|---|---|---|---|---|---|---|
| CNE/PN | 0 | 0 | 22.3 | NR | 289 | 605 | 29.2 |
| CNE/PNN1 | 1.31 | 2.48 | 29.1 | V-0 | 214 | 448 | 22.5 |
| CNE/PNN2 | 2.50 | 4.40 | 32.3 | V-0 | 186 | 325 | 19.8 |
