Official Journal of the Japan Wood Research Society
Table 4 Results of confirmation test with 33% boron FR solution
From: Relative improvements in flame resistance of coir fiberboards treated with fire-retardant solution
Flammability (min) | Flame penetration time (min) | Rate of burning (min) | Resistance to flame spread (min) | |
|---|---|---|---|---|
Measured values | 52.0 | 40.0 | 49.0 | 62.0 |
Predicted values | 53.2 | 40.0 | 47.8 | 60.6 |