Songhan Plastic Technology Co.,Ltd.
 POLYMER SEARCH

Schott Nextrema® 712-3 Glass Ceramic

Category Ceramic , Glass , Glass Ceramic
Manufacturer Schott North America
Trade Name Nextrema®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Schott Nextrema® 712-3 Glass Ceramic.pdf
Price EMAIL US    sales@lookpolymers.com
  Online Service   lookpolymers   27660005
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 expansionExcellent temperature and thermal shock resistanceHigh transmission in infrared range and unique visible light transmission profiles with different specific gradesExcellent chemical resistanceHigh mechanical strength technical data presented herein are typical averages.Manufacturer Data Sheet
Physical Properties Metric English Comments
Density 2.55 g/cc
0.0921 lb/in³
Porosity 0.000 %
0.000 %
ISO 9385
Mechanical Properties Metric English Comments
Knoop Microhardness 600
600
HK <sub>0.1 / 20</sub>; ISO 9385
Modulus of Elasticity 92.0 GPa
13300 ksi
ASTM C-1259
Flexural Strength 168 MPa
24400 psi
Bending s<sub>bB</sub>; DIN EN 1288, Part 5, R45
Poissons Ratio 0.250
0.250
ASTM C-1259
Thermal Properties Metric English Comments
CTE, linear -0.160 µm/m-°C

@Temperature 20.0 - 300 °C
 -0.0889 µin/in-°F

@Temperature 68.0 - 572 °F
0.380 µm/m-°C

@Temperature 300 - 700 °C
 0.211 µin/in-°F

@Temperature 572 - 1290 °F
Specific Heat Capacity 0.830 J/g-°C

@Temperature 20.0 - 100 °C
 0.198 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 560 °C

@Time 1.80e+7 sec
 1040 °F

@Time 5000 hour
 Inhomogeneous Heating
710 °C

@Time 1.80e+7 sec
 1310 °F

@Time 5000 hour
 Homogeneous Heating
750 °C

@Time 3600 sec
 1380 °F

@Time 1.00 hour
 Inhomogeneous Heating
885 °C

@Time 3600 sec
 1630 °F

@Time 1.00 hour
 Homogeneous Heating
Optical Properties Metric English Comments
Transmission, Visible 0.000 %

@Thickness 4.00 mm,
Wavelength 500 nm
 0.000 %

@Thickness 0.157 in,
Wavelength 500 nm
3.00 %

@Thickness 4.00 mm,
Wavelength 600 nm
 3.00 %

@Thickness 0.157 in,
Wavelength 600 nm
18.0 %

@Thickness 4.00 mm,
Wavelength 700 nm
 18.0 %

@Thickness 0.157 in,
Wavelength 700 nm
IR Transmittance 71.0 %

@Thickness 4.00 mm,
Wavelength 1000 nm
 71.0 %

@Thickness 0.157 in,
Wavelength 1000 nm
75.0 %

@Thickness 4.00 mm,
Wavelength 1600 nm
 75.0 %

@Thickness 0.157 in,
Wavelength 1600 nm
80.0 %

@Thickness 4.00 mm,
Wavelength 2500 nm
 80.0 %

@Thickness 0.157 in,
Wavelength 2500 nm
UV Transmittance 0.000 %

@Thickness 4.00 mm
 0.000 %

@Thickness 0.157 in
Electrical Properties Metric English Comments
Volume Resistivity 300000 ohm-cm

@Temperature 350 °C
 300000 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 7.80

@Frequency 1.00e+6 Hz,
Temperature 25.0 °C
 7.80

@Frequency 1.00e+6 Hz,
Temperature 77.0 °F
Dielectric Loss Index 0.0200

@Frequency 1.00e+6 Hz,
Temperature 25.0 °C
 0.0200

@Frequency 1.00e+6 Hz,
Temperature 77.0 °F
Chemical Properties Metric English Comments
Acid Class, SR 2.00
2.00
DIN 12116
Alkali Class, AR 1.00
1.00
ISO 695
Descriptive Properties Value Comments
Appearance Transparent
Color Dark Brown
Hydrolytic Resistance HGB 1
DIN ISO 719
tk100(°C) 196
specific electric volume resistivity of 10<sup>8</sup> O·cm
Thermal Shock Resistance (TSR) 800°C
Resists cold water without cracking
Users viewing this material also viewed the following:
Copyright © lookpolymers.com All Rights Reserved