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Schott Glass 8660 Borosilicate 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
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Material Notes:
Borosilicate glass for sealing to tungsten, of high cesium content Red eye reduction flash for electronic flashbulbs, longer life in comparison with glass 8487 The heavy metal content for the elements lead, cadmium, mercury, and hexavalent chromium is below 100 ppmInformation provided by SCHOTT AG.
Physical Properties Metric English Comments
Density 2.44 g/cc

@Temperature 25.0 °C
0.0882 lb/in³

@Temperature 77.0 °F
Thermal Properties Metric English Comments
CTE, linear 4.10 µm/m-°C

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

@Temperature 68.0 - 572 °F
ISO 7991
Transformation Temperature, Tg 550 °C
1020 °F
ISO 7884-8
Softening Point 830 °C
1530 °F
Viscosity 10<sup>7.6</sup> dPa s; ISO 7884-3
Working Point 1215 °C
2219 °F
Viscosity 10<sup>4</sup> dPa s; ISO 7884-2
Optical Properties Metric English Comments
Refractive Index 1.486

@Wavelength 587.6 nm
1.486

@Wavelength 587.6 nm
Descriptive Properties Value Comments
Hydrolytic Resistance Class HGB 3
ISO 719
tk100(°C) 550
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