Compound Bi-Metal Bar Copper and Iron

Product Code: JL--737

To demonstrate unequal expansion of different metals when heated equally. Consists of two strips, copper and iron riveted together, fitted to a wooden handle. Upon heating, the bar curls and bends because the riveted strips each have a different coefficients of thermal expansion.


Total Length with handle 9.25 inch (235mm)
Compound Bar only 6 inch (150mm) x 1 inch (25mm)

Sold individually. An innerpack contains 10 Compound Bars.

Measurements are approximate.

Picture is a representation of compound bars. Please refer to individual product descriptions for specifications and dimensions.

Related Products