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.