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Schott GM39923 Dental Glass
| Category | Ceramic , Glass , Oxide , Silicon Oxide |
| Manufacturer | Schott North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Schott GM39923 Dental Glass.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Remarks: Ba- and F-containing, low refractive glassApplication: CompositeAdvantagesGreater variety of composition and refractive indiciesOutstanding transparencyBest radiopacitiesInformation Provided by SCHOTT North America, Inc.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 2.80 g/cc | 0.101 lb/in³ |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 5.00 µm/m-°C @Temperature -30.0 - 70.0 °C |
2.78 µin/in-°F @Temperature -22.0 - 158 °F |
|
| Transformation Temperature, Tg | 590 °C | 1090 °F | ISO 7884-8 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.52 | 1.52 | n<sub>d</sub> |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Al2O3 | 10 % | 10 % | |
| B2O3 | 10 % | 10 % | |
| BaO | 25 % | 25 % | |
| Fluorine, F | 2.0 % | 2.0 % | |
| SiO2 | 55 % | 55 % |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Hydrolytic Resistance | Class 1 | DIN ISO 719 |
| Radiopacity (digital method) | 560 | ISO 4049 |
| Radiopacity as thickness of aluminium equal to 2-mm thick glass material | 4.2 (210%) | ISO 4049 |
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