Silica materials are a superb high temperature insulation and can be used for a long time without changing of properties at the temperature higher than 1000 С (material Puresil up to 1200С) and for a short period of time at higher temperatures.
Silica yarns are a superb raw material for weaving of tapes, fabrics, making of insulation braiding, sleeves, tubings, paddings, cords.