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Borosilicate Glass vs. PA 11

Borosilicate glass and PA 11 belong to fundamentally different material chemistries. Borosilicate glass is a ceramic material, while PA 11 is polymeric. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 11 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 borosilicate glass and the bottom bar is PA 11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67 to 80
0.4 to 1.3
Tensile Strength: Ultimate (UTS), MPa 280
25 to 51

Thermal Properties

Melting Onset (Solidus), °C 560
180
Specific Heat Capacity, J/kg-K 830
1740
Thermal Conductivity, W/m-K 1.2
0.28

Otherwise Unclassified Properties

Density, g/cm3 2.2 to 2.6
1.0

Common Calculations

Stiffness to Weight: Axial, points 15 to 17
0.22 to 0.71
Stiffness to Weight: Bending, points 55 to 61
24 to 36
Strength to Weight: Axial, points 30 to 35
6.7 to 14
Strength to Weight: Bending, points 36 to 43
18 to 30
Thermal Diffusivity, mm2/s 0.54 to 0.63
0.16