Appendix – Dwyer TIC User Manual

Page 79

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78

Appendix

Emissivity table (continue)

Material

Temperature°C

Emissivity
approximation

Electric materials
Epoxy glass plate

0.86

Epoxy

hydroxybenzene plate

0.80

Gilded sheet copper

0.30

Solder-coated copper

0.35

Tin-coated lead wire

0.28

Brass wires

0.87~0.88

Block talcum terminal

0.87

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