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Borosilicate Glass vs. GM-120 Glass Ceramic

Both borosilicate glass and GM-120 glass ceramic are glass and glass-ceramics. There are 10 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is borosilicate glass and the bottom bar is GM-120 glass ceramic.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.2 to 2.6
2.5
Dielectric Strength (Breakdown Potential), kV/mm 5.0 to 34
11
Elastic (Young's, Tensile) Modulus, GPa 67 to 80
56
Electrical Resistivity Order of Magnitude, 10x Ω-m 9.0 to 12
10
Flexural Strength, MPa 34 to 69
57
Maximum Thermal Shock, °C 160
110
Stiffness to Weight: Axial, points 15 to 17
13
Stiffness to Weight: Bending, points 55 to 61
52
Thermal Conductivity, W/m-K 1.2
3.0
Thermal Expansion, µm/m-K 3.3 to 5.1
9.5