Fire-retardant glass fiber fabricIt is a heat-resistant, soft special crystal fiber fabric with a SiO2 content exceeding 96%. The product boasts excellent heat resistance, capable of long-term use in an environment of up to 1000°C, with an instantaneous heat resistance temperature of up to 1400°C. It is made from a Na2O-B2O3-SiO2 trinary system glass material, with a softened point temperature of 1700°C after acid treatment.