Thermally resistant glass fibers

A thermally resistant glass fiber, comprising the following glass fiber components:

• 62.0 to 66.0
• mass %
• SiO2
• 14.0 to 16.4
• mass %
• Al2O3
• 0.8 to 1.2
• mass %
• TiO2
• 10.0 to 12.0
• mass %
• CaO
• 4.0 to 6.0
• mass %
• MgO
• 0.8 to 1.5
• mass %
• ZnO
• 0.2 to 0.6
• mass %
• Na2O + K2O + Li2O
• 0.2 to 0.5
• mass %
• CeO2
• a content of less than 0.5
• mass %
• TeO2 + HfO2 + La2O3
• all glass fiber components adding up to 100 mass %.