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Borosilicate Glass vs. EEA

Borosilicate glass and EEA belong to fundamentally different material chemistries. Borosilicate glass is a ceramic material, while EEA is polymeric. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 10 material properties with values for both materials. Properties with values for just one material (18, 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 borosilicate glass and the bottom bar is EEA.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.2 to 2.6
0.93
Dielectric Constant (Relative Permittivity) At 1 Hz 4.8 to 5.5
2.7
Dielectric Strength (Breakdown Potential), kV/mm 5.0 to 34
22
Elastic (Young's, Tensile) Modulus, GPa 67 to 80
0.035
Maximum Temperature: Mechanical, °C 360
85
Stiffness to Weight: Axial, points 15 to 17
0.021
Stiffness to Weight: Bending, points 55 to 61
12
Strength to Weight: Axial, points 30 to 35
4.2
Strength to Weight: Bending, points 36 to 43
14
Tensile Strength: Ultimate (UTS), MPa 280
14