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Compare PMMA to Soda-lime Glass

PMMA and soda-lime glass belong to fundamentally different material chemistries. PMMA is a polymeric material, while soda-lime glass is ceramic. 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 (14, in this case) are not shown.

Mechanical Properties in Common

Elastic (Young's, Tensile) Modulus, GPa

PMMA 3.2
Soda-lime Glass 70 to 71

Shear Modulus, GPa

PMMA 1.7
Soda-lime Glass 29

Strength to Weight Ratio, kN-m/kg

PMMA 60
Soda-lime Glass 17 to 72

Tensile Strength: Ultimate (UTS), MPa

PMMA 71
Soda-lime Glass 41 to 180

Thermal Properties in Common

Specific Heat Capacity, J/kg-K

PMMA 1260
Soda-lime Glass 720 to 800

Thermal Conductivity, W/m-K

PMMA 0.19
Soda-lime Glass 1.0 to 1.1

Thermal Diffusivity, m2/s

PMMA 0.13
Soda-lime Glass 0.51 to 0.6

Thermal Expansion, µm/m-K

PMMA 76
Soda-lime Glass 8.8 to 9.0

Electrical Properties in Common

Dielectric Strength (Breakdown Potential), kV/mm

PMMA 30
Soda-lime Glass 13

Otherwise Unclassified Properties in Common

Density, g/cm3

PMMA 1.2
Soda-lime Glass 2.4

Refractive Index

PMMA 1.5
Soda-lime Glass 1.5