Flammability parameters | Control | 1:2 | 1:1 | 1:0 | |||
SJ:Water | BPS:Water | SJ:Water | BPS:Water | SJ:Water | BPS:Water | ||
Add-on (%) | - | 3.5 | 2 | 5.7 | 3.5 | 8 | 4.5 |
LOI | 18 | 26 | 26 | 28 | 28 | 30 | 30 |
Horizontal flammability warp way burn rate (mm/min) | 90 | 15.7 | 14 | 13.2 | 8 | 10 | 7.5 |
Vertical flammability occurring of flashing over the surface | Yes | No | No | No | No | No | No |
Burning with flame time (s) | 60 | 10 | 10 | Nil | 7 | Nil | 4 |
Burning with afterglow time (s) after flame stop | 0 (as completely burnt with flame) | 295 | 500 | 345 | 680 | 400 | 900 |
Total burning time (flame time + afterglow time) | 60 s + 0 s | 10 s + 295 s | 10 s + 500 s | 0 s + 345 s | 7 s + 680 s | 40 s + 400 s | 4 s + 900 s |
Observed burning rate (mm/min) | 250 | 49.1 | 29.4 | 43.5 | 21.8 | 37.5 | 16.6 |
State of the fabric in contact with flame | Completely Burnt with flame | Burnt with initially flame followed by an afterglow | Burnt with initially flame followed by an afterglow | Burnt with initially flame followed by afterglow | Burnt with initially flame followed by afterglow | Burnt with initially flame followed by afterglow | Burnt with initially flame followed by afterglow |