Optimization of Blending Parameters and Fiber Size of Kenaf-Bast-Fiber-Reinforced the Thermoplastic Polyurethane Composites by Taguchi Method

Table 2

The parameters for three levels of selected factors.

Factors	Level 1	Level 2	Level 3
Melting temperature, A (°C)	180	190	200
Speed, B (rpm)	30	40	50
Time, C (min)	11	13	15
Size, D (micron)	<125	125–300	300–425