Ceramic fiber paper has characteristics of low coefficient of heat-conduction ratio, low thermal capacity, thermal shock resistance, high quality of flexibility and tear resistance. AC5303 doesn抰 include asbestos, erosion resistance, not act with aluminium liquid. It has high quality of insulation and sound insulation, easiness of mechanical processing, tough texture and high quality of compression resistance.

It is used as insulation, seal and safety materials for industrial need; as insulation and heat insulation materials for electric thermal equipments; as insulation and heat insulation for equipments and electro thermal components and as heat insulation materials for automobile.