Reciprocal of temperature coefficient of screen material

Reciprocal of temperature coefficient of resistance at 0 $^{\circ}$C of the screen material.

Symbol
$\beta_{sc}$
Unit
K
Formulae
$-20 + \frac{1}{\alpha_{sc}}$
Choices
MaterialValue
Cu234.5
Al230.3
AL3250.0
Brz313.0
CuZn506.3
S202.0
SS980.0
Zn230.0