How high temperature can glass fiber alkali-free cloth withstand?

Glass fiber alkali-free cloth, also known as E-glass fiber cloth, refers to glass fiber with low alkali metal oxide content. The specific content of alkali metal oxide is currently not more than 0.8% in China and about 1% in foreign countries. Do you know how high temperature the glass fiber alkali-free cloth can withstand? The following editor tells you:

Glass fiber alkali-free cloth is suitable for electromechanical, chemical, pipeline, ship, wire and cable, etc. Glass fiber alkali-free cloth has high strength, good insulation, good heat insulation effect, and can withstand high temperature of 550 ℃ - 1000 ℃.
Glass fiber alkali-free cloth is a very good substitute for metal materials, mainly used as electrical insulation material, reinforcing material of glass fiber reinforced plastics and tire cord. For composite cable support.