Home Company Profile News Contact
Quality Management
Terms and Conditions

Untitled Document


Our products could be manufactured out of the following technical glasses and materials:

• Sapphire (diameter can be >250 mm)
• Germanium
• Zinc Selenide
• Calcium Fluoride
• BK7
• Quartz
• Silicon
• Pyrex
• Ruby
• Magnesium Fluoride
• Zirconium Oxide

We also provide the following technical ceramics:

• alumina ceramic
• zirconium oxide

We specialized in the production of synthetic sapphire.
We grow sapphire with the czochralski-method and the grown sapphire has optical quality.
If high transmission of UV light  (about 200 nm) is required, we also provide special sapphire with low fluorescence - virtual free of dispersion


GWI Sapphire — Birkenstr. 5 — D-91287 Plech