Aluminosilicate Glass (Corning 1723 type) vs Fused Silica / Fused Quartz (Type 1)
Property comparison of Aluminosilicate Glass (Corning 1723 type) and Fused Silica / Fused Quartz (Type 1), both glass.
| Property | Aluminosilicate Glass (Corning 1723 type) | Fused Silica / Fused Quartz (Type 1) | Difference |
|---|---|---|---|
| Elastic modulus | 81,000 MPa | 73,000 MPa | -10% |
| Shear modulus | 33,000 MPa | 31,000 MPa | -6% |
| Poisson ratio | 0.23 | 0.17 | -26% |
| Density | 2,640 kg/m³ | 2,200 kg/m³ | -17% |
| Thermal conductivity | 1.05 W/m·K | 1.38 W/m·K | +31% |
| Specific heat | 800 J/kg·K | 703 J/kg·K | -12% |
| Coefficient of thermal expansion | 0.000005 1/K | 0.000001 1/K | -88% |
Difference is Fused Silica / Fused Quartz (Type 1) relative to Aluminosilicate Glass (Corning 1723 type). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM
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