Aluminosilicate glass is typically used wherever pressure loads occur at temperatures above 300 °C. The aluminosilicate glass from German production is characterized by a particularly high temperature resistance of up to 375 °C. It is mandatory to protect the inner side of the glass (i.e. side facing steam or liquid) with mica shield to avoid fast chemical attack.
|Expansion coefficient α 20 °C / 300 °C
|4.8 x 10–6 K–1
|Max. operating temperature
|Thermal shock resistance as per ISO 718
|ΔT 230 °C
|Max. operating pressure
|Surface pressure prestressing
|≥ 90 N/mm²
|≥ 13,000 psi
|Alkali solution resistance
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