Effect of Nano-CaCO₃ and Talc on Property and Weathering Performance of PP Composites

Table 2

Color changes after 1,000 h of weathering in PP, control, NCC-only, NCC-talc hybrid filled PP-based composites.

Specimen
PP	2.13	−0.51	−1.80	4.02
Control	0.24	0.25	−1.08	1.10
N2.5	0.33	0.19	−1.19	1.32
N5	0.62	0.14	−1.60	2.25
N10	1.35	−0.03	−2.07	2.41
N15	1.43	−0.25	−2.20	2.50
T10	0.09	0.16	−0.68	1.13
T10-N2.5	0.13	0.14	−1.28	1.24
T10-N5	0.34	0.02	−1.42	1.61
T10-N10	0.71	−0.02	−1.77	1.90
T10-N15	0.90	−0.16	−2.04	2.23