DEEN COMPANY MATERIAL TECHNOLOGIES PRODUCTS & SOLUTIONS SERVICE We fulfill HIGHEST STANDARDS HOMETECHNOLOGIESQUALITY Quality In the highly competitive business world, success relies strongly on a company's commitment to quality. QSIL has established this commitment to quality in every thing we do. With QSIL, our customers are guaranteed a quality management system thoroughly documented from research and development to product delivery. The main goal of QSIL's quality management policies is reliable delivery of products that exactly meet the needs and expectations of our customers. Through the use of statistical process control to monitor the manufacturing process, the measurement and recording of every step in the production process guarantees the complete tractability from the final product back to the raw material. Our in-house laboratory provides us access to all essential characterization methods: Trace impurity analysis by optical emission spectroscopy (ICP-OES) Transmission Measurement OH-Content Measurement Optical Microscopy QSIL's Quality Management System is certificated according to DIN EN ISO 9001 since 1998. COMPANYMATERIALTECHNOLOGIESPRODUCTS & SOLUTIONSSERVICE IMPRINTPRIVACY POLICYDISCLAIMERSITEMAP QSIL AG / Gewerbering 8 / 98693 Ilmenau / Germany QSIL GmbH Quarzschmelze Ilmenau / Gewerbering 8 / 98693 Ilmenau / Germany QSIL Nederland B.V. / H.M. Brouwerstraat 1 / 9672 AG Winschoten / The Netherlands QSIL Ceramics GmbH / Triptiser Straße 22 / 07955 Auma-Weidatal / Germany QSIL Ingenieurkeramik GmbH / Gewerbepark 11 / 96528 Frankenblick / Germany QSIL is the specialist when it comes to advanced solutions made from high-performance materials, fused silica and engineered ceramics. From the prototype to the serial production of complex special components made of individually optimized materials - QSIL offers an extensive product and material portfolio.

DEEN COMPANY MATERIAL TECHNOLOGIES PRODUCTS & SOLUTIONS SERVICE The material for highest standards FUSED QUARTZ HOMEMATERIAL About Fused Quartz ilmasil® fused quartz qsil PH COMPANYMATERIALTECHNOLOGIESPRODUCTS & SOLUTIONSSERVICE IMPRINTPRIVACY POLICYDISCLAIMERSITEMAP QSIL AG / Gewerbering 8 / 98693 Ilmenau / Germany QSIL GmbH Quarzschmelze Ilmenau / Gewerbering 8 / 98693 Ilmenau / Germany QSIL Nederland B.V. / H.M. Brouwerstraat 1 / 9672 AG Winschoten / The Netherlands QSIL Ceramics GmbH / Triptiser Straße 22 / 07955 Auma-Weidatal / Germany QSIL Ingenieurkeramik GmbH / Gewerbepark 11 / 96528 Frankenblick / Germany QSIL is the specialist when it comes to advanced solutions made from high-performance materials, fused silica and engineered ceramics. From the prototype to the serial production of complex special components made of individually optimized materials - QSIL offers an extensive product and material portfolio.