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