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Bulletin of the National Research Centre

Table 7 Experimental design using L9 orthogonal array

From: Cone calorimetric fire properties and thermal analysis of polyester-banana peduncle fibre composite fused with bio-fire retardant additive

S/NO

Reinforcement type

Time (s)

Wt%

THR(MJ/m2)

S/N ratio

1

1

1

1

31.94

− 30.0867

2

1

2

2

140.36

− 42.9449

3

1

3

3

295.52

− 49.4117

4

2

1

2

40.05

− 32.0521

5

2

2

3

128.07

− 42.1489

6

2

3

1

325.30

− 50.2457

7

3

1

3

33.12

− 30.4018

8

3

2

1

159.31

− 44.0449

9

3

3

2

309.00

− 49.7992

  1. Reinforcement type: 1 = CHAp/P, 2 = CHAp/BPF/P, 3 = BPF/P, Time (s): 1 = 200, 2 = 600, 3 = 1000, Wt%: 1 = 5 or 2.5:2.5, 2 = 10 or 5:5, 3 = 15 or 7.5: 7.5
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