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. 2018 Jan 31;9(2):58. doi: 10.3390/mi9020058

Table 1.

Two-level four-factor full-factorial design.

Standard Order	V_i	P_{h (PP/ABS)}	T_b	T_m
1	−(140 mm/s)	−(10/20 MPa)	−(240 °C)	−(240 °C)
2	+(220 mm/s)	−(10/20 MPa)	−(240 °C)	−(240 °C)
3	−(140 mm/s)	+(60/70 MPa)	−(240 °C)	−(240 °C)
4	+(220 mm/s)	+(60/70 MPa)	−(240 °C)	−(240 °C)
5	−(140 mm/s)	−(10/20 MPa)	+(270 °C)	−(240 °C)
6	+(220 mm/s)	−(10/20 MPa)	+(270 °C)	−(240 °C)
7	−(140 mm/s)	+(60/70 MPa)	+(270 °C)	−(240 °C)
8	+(220 mm/s)	+(60/70 MPa)	+(270 °C)	−(240 °C)
9	−(140 mm/s)	−(10/20 MPa)	−(240 °C)	+(270 °C)
10	+(220 mm/s)	−(10/20 MPa)	−(240 °C)	+(270 °C)
11	−(140 mm/s)	+(60/70 MPa)	−(240 °C)	+(270 °C)
12	+(220 mm/s)	+(60/70 MPa)	- (240 °C)	+(270 °C)
13	−(140 mm/s)	−(10/20 MPa)	+(270 °C)	+(270 °C)
14	+(220 mm/s)	−(10/20 MPa)	+(270 °C)	+(270 °C)
15	−(140 mm/s)	+(60/70 MPa)	+(270 °C)	+(270 °C)
16	+(220 mm/s)	+(60/70 MPa)	+(270 °C)	+(270 °C)