Table 1.

Design of experiment.

Sample ID	Fiber 1	Fiber 2	Sample ID	Fiber 1	Fiber 2
S1	Nomex	100%	S13	Nomex 50%	Carbon 50%
S2	FR-Polyester	100%	S14	Protex 50%	Carbon 50%
S3	Protex	100%	S15	FR-Polyester 50%	Carbon 50%
S4	FR-Viscose rayon	100%	S16	Protex 70%	FR-Polyester 30%
S5	Carbon	100%	S17	FR-Polyester 70%	Nomex 30%
S6	FR-Polyester 50%	FR-Viscose rayon 50%	S18	Protex 70%	Nomex 30%
S7	FR-Polyester 50%	Nomex 50%	S19	FR-Viscose rayon 70%	Nomex 30%
S8	Nomex 50%	Protex 50%	S20	Nomex 70%	FR-Polyester 30%
S9	Protex 50%	Viscose 50%	S21	Nomex 70%	FR-Viscose rayon 30%
S10	FR-Polyester 50%	Protex 50%	S22	Nomex 70%	Carbon 30%
S11	Nomex 50%	FR-Viscose rayon 50%	S23	Carbon 70%	Nomex 30%
S12	FR-Viscose rayon 50%	Carbon 50%