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Sapphire glass

Almost as hard as diamond

Sapphire glass is a very expensive raw material and is only made to order. We need excact specification of the glass to make an order. It cannot be processed afterwards.
In addition, extra delivery time must be expected. In return, you can choose the thickness of the glass yourself.

At present, we can supply sapphire crystal sheets up to Ø250 mm.

As the glass is costly, many customers choose for example to use chemically tempered glass instead.

Contact us today to get more information


  • High transmission properties
  • Hard to scratch
  • Withstands high temperatures
  • Typically used for sight glass, special cameras, barcode scanners and for very exclusive watches
  • Fast delivery on sapphire crystal sheets up to Ø250 mm

Properties of the sapphire crystal

Sapphire glass is an optically clear crystal. Due to the cost of the glass it is not widely used. When some customers demand sapphire glass, it is mainly because of its hardness. The glass is very hard and ranks second on the Mohs scale of mineral hardness – right after diamond (sapphire is a variety of corundum). The glass is very strong and very difficult to scratch.

In addition, sapphire crystal is chemically resistant to common acids and bases – even at temperatures up to 1000 °C. The glass has a high purity and a very wide optical transmission of + 85% in the whole range from UV to IR (200-4000 nm).

The excellent properties of the glass make it a coveted type of glass. But as the properties comes with a cost, other glas types like quartz glass or chemically tempered glass are often used as an alternative solution.

We look forward to hearing from you!

We have the glass to bring your ideas to life

Leave us a message. Feel free to write a little about which industrial glass you need. Tell us what the requirements are for the glass, what size (height, width, thickness), what quantity we are talking about and what the glass should be used for.

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