Glass consultant for circular sight glass plates made of sapphire glass
Sapphire glass can be used at temperatures up to 2000 °C. Sapphire glass is generally suitable for pressure applications; the pressure resistance increases depending on the material thickness in relation to the external diameter and free view diameter. We are happy to assist you in selecting a suitable glass. Please feel free to contact us.
Technical changes and calculation errors reserved.
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 available upon request
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