Schott Glass 8228 Intermediate sealing glass

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Schott Glass 8228 Intermediate sealing glass
Categories:	Ceramic; Glass
Material Notes:	Used for sealing to Quartz Glass and Glass 8229 The heavy metal content for the elements lead, cadmium, mercury, and hexavalent chromium is below 100 ppm Information provided by SCHOTT AG.
Vendors:	SCHOTT with its Business Unit Tubing offers tailor-made products & services worldwide from more than sixty special glass types for international growth markets such as industrial and environmental technology, electronics, display industry, architecture and design as well as pharmaceuticals. Contact us. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	2.15 g/cc @Temperature 25.0 °C

Thermal Properties	Original Value	Comments
CTE, linear	1.30 µm/m-°C @Temperature 20.0 - 300 °C	ISO 7991
Transformation Temperature, Tg	700 °C	ISO 7884-8
Softening Point	1135 °C	Viscosity 10^7.6 dPa s; ISO 7884-3
Working Point	1665 °C	Viscosity 10⁴ dPa s; ISO 7884-2
Annealing Point	700 °C	Viscosity 10¹³ dPa s; ISO 7884-4

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CSGS913q / 171684

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