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Rulon Bearings

Schott G018-186 Dental Glass
Categories: Ceramic; Glass

Material Notes: Remarks: Ba- and F-containing, high refractive glass

Application: Composite

    Advantages
  • Greater variety of composition and refractive indicies
  • Outstanding transparency
  • Best radiopacities

Information Provided by SCHOTT North America, Inc.

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Physical PropertiesMetricEnglishComments
Density 3.00 g/cc0.108 lb/in³
 
Thermal PropertiesMetricEnglishComments
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 595 °C1100 °FISO 7884-8
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.55
@Wavelength 587.6 nm
1.55
@Wavelength 587.6 nm
nd
 
Component Elements PropertiesMetricEnglishComments
Al2O3 10 %10 %
B2O3 10 %10 %
BaO 35 %35 %
Fluorine, F 2.0 %2.0 %
SiO2 45 %45 %
 
Descriptive Properties
Hydrolytic ResistanceClass 1DIN ISO 719
Radiopacity (digital method)800ISO 4049
Radiopacity as thickness of aluminum equal to 2-mm thick glass material5.4 (270%)ISO 4049

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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