Products based on fused quartz are essential for modern communication

Fused quartz is an essential material for Semiconductor Production 

Chemical Research and Development rely on fused quartz products

Modern water purification is based on fused quartz products

ilmasil® PQ

QSIL's premium brand

With the premium brand ilmasil® PQ QSIL offers a material for highest requirements.  This clear fused quartz excels the highest purity standards for semiconductor materials: With a sum of total 5 ppm for all typical trace elements the purity of ilmasil® PQ falls below the values of highest purity level of any fused quartz materials manufactured from natural sand. Its outstanding bubble content together with the low OH-content make ilmasil® PQ a perfect choice for sensitive applications in semiconductor manufacturing processes. 

more details...

QSIL expands management



As of September 1st, 2017, we welcome Mr. Udo Werner as the new managing director of QSIL International GmbH and QSIL GmbH Quarzschmelze Ilmenau. This enhancement of the QSIL management team coincides with strong growth of our business and the further expansion of our market potential. The appointment of Udo Werner as Managing Director positions QSIL well to fully capitalize on the acquisition of a glass factory from Philips in 2016, as well as lays the foundation to be excellently equipped for future acquisitions and projects.

Mr. Werner, born in 1967 in Zittau, is a lawyer and graduate of Harvard University. Most recently he was the managing director of bm | t beteiligungsmanagement thüringen gmbh and its associated fund companies. Prior to that, Mr. Werner served as Chief Financial Officer and later as chairman of the board of management of medium-sized companies in Thuringia, Germany. He started his professional career as a consultant at McKinsey & Co.



QSIL Management since September 2017:
Udo Werner, Stephan Behr, Michael Keitz (f.l.t.r.)