The TQS-Quartz glass lid for inceneration crucibles are made for tasks up to 1,050°C (maximum limit 1,280°C). High chemical resistance and purity characterize our quartz glass products. The durability of this product is dependent on its use and application. Products have a long life for frequent use with temperatures up to 1,050°C. We offer a wide variety of designs and sizes of TQS Glass Crucibles for various applications.