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Schott Glass 8448 Intermediate Sealing Glass
| Category | Ceramic , Glass |
| Manufacturer | Schott North America |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott Glass 8448 Intermediate Sealing Glass.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Intermediate sealing glass Sealing to the glasses 8330, 8449, 8486, 8487, and tungstenInformation provided by SCHOTT AG.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.25 g/cc @Temperature 25.0 °C |
0.0813 lb/in³ @Temperature 77.0 °F |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 3.80 µm/m-°C @Temperature 20.0 - 300 °C |
2.11 µin/in-°F @Temperature 68.0 - 572 °F |
ISO 7991 |
| Transformation Temperature, Tg | 510 °C | 950 °F | ISO 7884-8 |
| Softening Point | 800 °C | 1470 °F | Viscosity 10<sup>7.6</sup> dPa s; ISO 7884-3 |
| Working Point | 1210 °C | 2210 °F | Viscosity 10<sup>4</sup> dPa s; ISO 7884-2 |
| Annealing Point | 560 °C | 1040 °F | Viscosity 10<sup>13</sup> dPa s; ISO 7884-4 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.475 @Wavelength 587.6 nm |
1.475 @Wavelength 587.6 nm |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Hydrolytic Resistance | Class HGB 1 | ISO 719 |
| tk100(°C) | 265 |
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