Table 4.

Selected properties of PUR foams containing HS fillers.

Sample	Closed-Cell Content (%)	APPARENT Density (kg m−3)	Thermal Conductivity (W m−1 K−1)	Water Uptake (%)	Contact Angle (°)
PUR_0	91.4 ± 0.5	37.2 ± 0.6	0.025 ± 0.001	21.5 ± 0.6	123 ± 1
PUR_HS	89.2 ± 0.4	40.6 ± 0.7	0.026 ± 0.001	23.8 ± 0.5	120 ± 1
PUR_HS/SO	88.6 ± 0.4	43.1 ± 0.6	0.030 ± 0.001	19.2 ± 0.6	129 ± 1
PUR_HS/TO	85.6 ± 0.4	43.5 ± 0.6	0.031 ± 0.001	20.1 ± 0.5	130 ± 1