Mitigating Climate Change by the Development and Deployment of Solar Water Heating Systems

Table 4

Absorptance and emissivity of sample materials [4].

Material	Absorptance	Emissivity
Black paint	0.950	0.875
White paint	0.200	0.900
Polished aluminium	0.100	0.050
Selective surfaces	0.850–0.950	0.120–0.080