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Master Bond adhesives

724-8 Nextrema® Opaque White Glass Ceramic/SCHOTT
Categories: Ceramic; Glass; Glass Ceramic

Material Notes: The NEXTREMA® family of glass-ceramics combines the glossy appearance of glass with exceptional thermal, chemical, optical and mechanical properties such as:
  • Very low coefficient of linear thermal expansion
  • Excellent temperature and thermal shock resistance
  • High transmission in infrared range and unique visible light transmission profiles with different specific grades
  • Excellent chemical resistance
High mechanical strength technical data presented herein are typical averages.

Vendors: NEXTREMA® glass-ceramics from SCHOTT combines the benefits of technical glasses with properties of high temperature materials.
General Brochure
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Physical PropertiesMetricEnglishComments
Density 2.54 g/cc0.0918 lb/in³
Porosity 0.00 %0.00 %ISO 9385
 
Chemical PropertiesMetricEnglishComments
Acid Class, SR 1.01.0DIN 12116
Alkali Class, AR 1.01.0ISO 695
 
Mechanical PropertiesMetricEnglishComments
Knoop Microhardness 600600HK 0.1 / 20; ISO 9385
Modulus of Elasticity 86.0 GPa12500 ksiASTM C-1259
Flexural Strength 150 MPa21800 psiBending sbB; DIN EN 1288, Part 5, R45
Poissons Ratio 0.260.26ASTM C-1259
Shear Modulus 34.1 GPa4950 ksiCalculated by MatWeb
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  400000 ohm-cm
@Temperature 350 °C
400000 ohm-cm
@Temperature 662 °F
DIN 52326
 1.00e+7 ohm-cm
@Temperature 250 °C
1.00e+7 ohm-cm
@Temperature 482 °F
DIN 52326
Dielectric Constant 6.6
@Frequency 1e+6 Hz,
Temperature 25.0 °C
6.6
@Frequency 1e+6 Hz,
Temperature 77.0 °F
DIN 53483
Dielectric Loss Index 0.0020
@Frequency 1e+6 Hz,
Temperature 25.0 °C
0.0020
@Frequency 1e+6 Hz,
Temperature 77.0 °F
DIN 53483
 
Thermal PropertiesMetricEnglishComments
CTE, linear  0.630 µm/m-°C
@Temperature 20.0 - 300 °C
0.350 µin/in-°F
@Temperature 68.0 - 572 °F
 1.34 µm/m-°C
@Temperature 300 - 700 °C
0.744 µin/in-°F
@Temperature 572 - 1290 °F
Specific Heat Capacity 0.800 J/g-°C
@Temperature 20.0 - 100 °C
0.191 BTU/lb-°F
@Temperature 68.0 - 212 °F
Thermal Conductivity 1.70 W/m-K
@Temperature 90.0 °C
11.8 BTU-in/hr-ft²-°F
@Temperature 194 °F
DIN 51936, ASTM E 1461-01
Maximum Service Temperature, Air  550 °C
@Time 1.80e+7 sec
1020 °F
@Time 5000 hour
Inhomogeneous Heating
 600 °C
@Time 3600 sec
1110 °F
@Time 1.00 hour
Inhomogeneous Heating
 850 °C
@Time 1.80e+7 sec
1560 °F
@Time 5000 hour
Homogeneous Heating
 950 °C
@Time 3600 sec
1740 °F
@Time 1.00 hour
Homogeneous Heating
 
Optical PropertiesMetricEnglishComments
Transmission, Visible  0.00 %
@Thickness 4.00 mm,
Wavelength 400 nm
0.00 %
@Thickness 0.157 in,
Wavelength 400 nm
 2.0 %
@Thickness 4.00 mm,
Wavelength 600 nm
2.0 %
@Thickness 0.157 in,
Wavelength 600 nm
 5.0 %
@Thickness 4.00 mm,
Wavelength 700 nm
5.0 %
@Thickness 0.157 in,
Wavelength 700 nm
IR Transmittance  17 %
@Thickness 4.00 mm,
Wavelength 1000 nm
17 %
@Thickness 0.157 in,
Wavelength 1000 nm
 25 %
@Thickness 4.00 mm,
Wavelength 1600 nm
25 %
@Thickness 0.157 in,
Wavelength 1600 nm
 60 %
@Thickness 4.00 mm,
Wavelength 2500 nm
60 %
@Thickness 0.157 in,
Wavelength 2500 nm
UV Transmittance 0.00 %
@Thickness 4.00 mm
0.00 %
@Thickness 0.157 in
 
Descriptive Properties
AppearanceOpaque
ColorWhite
Hydrolytic Resistance HGB1DIN ISO 719
tk100(°C)197specific electric volume resistivity of 108 O·cm
Thermal Shock Resistance (TSR)700°CResists cold water without cracking

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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CSGS805 / 178429

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