Table 4.

Emissivity measurement results of investigated samples.

Sample Code	Emissivity (at 33 ± 2 °C)	Standard Deviation
C	0.910	0.009
C1	0.946	0.009
C2	0.946 (coated part)	0.009
	0.910 (no coating)	0.009
C3	0.972	0.008
C4	0.958	0.008

Note: For each sample, five specimens were measured.