The material is with high quality natural silica fused into a pure homogeneous and uniform product-containing minimum 99, 9% silicon dioxide (SiO2). The tubing shall have the following properties: Chemical inertness, physical stability, thermal shock resistance, optical transparency, high electrical insulation, low hydroxyl content and the capability of operating continuously at over 1100C.
It mainly applies for Thermocouples, samplers and high temperature parts.