Chemical Formula: La
Catalog Number: ST0024
CAS Number: 7439-91-0
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Atomic Weight: 138.90547
Atomic Number: 57
Color/Appearance: Silvery White, Metallic
Thermal Conductivity：13 W/m.K
Melting Point (°C)：921
Coefficient of Thermal Expansion：12.1 x 10-6/K
Theoretical Density (g/cc)：6.17
Max Power Density*(Watts/Square Inch)：20
Comments：Films will burn in air if scraped.
1. No bonding service is presently available for this material. 2. This material has high chemical activity when exposed to the environment. Oil packaging and clean procedure are required to prevent it from chemcial reactions.
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My daughter used them for science experiment, worked exactly how they were supposed to.