The heat insulation sheet produced by laminating the glass fiber cloth of the reinforced material and the resin of the modified system with higher heat resistance increases the higher temperature resistance, stronger impact resistance, and longer service life of the material. It is the preferred material for import and export equipment, cutting-edge industries, and strict environmental requirements, replacing imported high-priced materials, suitable for high-end rubber and plastic machinery, packaging and printing equipment, flat heat presses, medical equipment, aerospace, ships, automation, high-temperature molds, hot runners and other fields, highlighting a more durable and stable use effect.