Lead Glass (Crystal Glass ~24% PbO) vs S-Glass Fiber (S-2 neat)
Property comparison of Lead Glass (Crystal Glass ~24% PbO) and S-Glass Fiber (S-2 neat), both glass.
| Property | Lead Glass (Crystal Glass ~24% PbO) | S-Glass Fiber (S-2 neat) | Difference |
|---|---|---|---|
| Elastic modulus | 58,000 MPa | 86,900 MPa | +50% |
| Shear modulus | 23,000 MPa | 35,600 MPa | +55% |
| Poisson ratio | 0.22 | 0.22 | 0% |
| Density | 3,100 kg/m³ | 2,490 kg/m³ | -20% |
| Thermal conductivity | 0.7 W/m·K | 1.1 W/m·K | +57% |
| Specific heat | 410 J/kg·K | 737 J/kg·K | +80% |
| Coefficient of thermal expansion | 0.000009 1/K | 0.000003 1/K | -66% |
Difference is S-Glass Fiber (S-2 neat) relative to Lead Glass (Crystal Glass ~24% PbO). 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
- EN 12128
- standard
- ASTM D578
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