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ABS vs. Machinable Glass-ceramic

ABS and machinable glass-ceramic belong to fundamentally different material chemistries. ABS is a polymeric material, while machinable glass-ceramic is ceramic. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 12 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is ABS and the bottom bar is machinable glass-ceramic.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.0 to 2.6
67
Flexural Strength, MPa 72 to 97
96
Tensile Strength: Ultimate (UTS), MPa 37 to 110
84

Thermal Properties

Thermal Expansion, µm/m-K 81 to 95
21

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.1 to 3.2
6.0
Dielectric Strength (Breakdown Potential), kV/mm 15 to 16
27

Otherwise Unclassified Properties

Density, g/cm3 1.0 to 1.4
2.7

Common Calculations

Stiffness to Weight: Axial, points 0.79 to 1.4
14
Stiffness to Weight: Bending, points 30 to 44
51
Strength to Weight: Axial, points 10 to 22
8.8
Strength to Weight: Bending, points 24 to 37
16
Thermal Shock Resistance, points 11 to 50
4.3