Glass consultant for round sight glass plates made of sapphire glass

Sapphire glass is suitable for temperatures up to 2000°C. Depending on the geometry, sapphire glasses can be used for very high pressures. We will be happy to help you select the right glass for your application. Feel free to contact us for more information.

Subject to technical changes and calculation errors.

Technical properties

Water resistance according to DIN 12111 Hydrolysis class 1

Acid resistance according to DIN 12116 Acid class 1

Alkali resistance according to DIN 52322 Alkali class 1

Bending tensile strength up to 690 N/mm² / 100.000 psi (design criterion)

max. operating temperature 2000 °C / 3632°F (short-term)

Dimensional tolerances on request

Glass Consultant Sapphire glass
+49 (0) 2461 91634 00