Table 6.

Changes in linear dimensions (∆l), volume (∆V), and mass (∆m) after conditioning at –20 and +70 °C, of PUR composites.

Sample	Temperature of −20 °C			Temperature of +70 °C
	∆l (%)	∆V (%)	∆m (%)	∆l (%)	∆V (%)	∆m (%)
PUR_REF	1.79 ± 0.01	1.66 ± 0.01	1.77 ± 0.01	1.74 ± 0.01	1.43 ± 0.01	1.52 ± 0.01
PUR_AS_C_1	1.76 ± 0.01	1.64 ± 0.01	1.69 ± 0.01	1.68 ± 0.01	1.42 ± 0.01	1.49 ± 0.01
PUR_AS_C_2	1.78 ± 0.01	1.71 ± 0.01	1.78 ± 0.01	1.63 ± 0.01	1.40 ± 0.01	1.55 ± 0.01
PUR_AS_C_5	1.84 ± 0.01	1.79 ± 0.01	1.81 ± 0.01	1.79 ± 0.01	1.50 ± 0.01	1.61 ± 0.01