As a new generation of composite thermal insulation material, aerogel glass fiber insulation blanket has completed the transformation from laboratory samples to industrial mass production, and from niche special materials to general energy-saving materials after years of technological iteration. At present, the industrial technical system is increasingly mature and product grades are gradually improved. Benefiting from policies such as industrial energy-saving renovation, new energy infrastructure and old pipe network renewal, the market scale grows steadily year by year. Meanwhile, the industry presents a new pattern of technological upgrading, capacity expansion, differentiated competition and green development.
From the perspective of technological development, industrial iteration mainly moves forward in three directions. First is the upgrading of formula and compounding technology. Early products had defects such as easy aerogel shedding, insufficient toughness and gradual decline of thermal performance after long-term service. Nowadays, industries adopt fiber modification, coupling agent optimization and integrated compound molding technology to strengthen the bonding strength between aerogel and glass fiber, improving the bending resistance, wear resistance and long-term thermal stability. Second is the development of functional composite products. Based on basic thermal insulation performance, segmented products such as enhanced waterproof type, ultra-high temperature resistant type, low-smoke halogen-free fireproof type and sound absorption type have been developed. Special products for ships, rail transit and closed computer rooms realize the transformation from single thermal insulation to multi-function integration. Third is the breakthrough of light weight and ultra-thin design. By optimizing fiber weight and aerogel filling ratio, ultra-thin blankets are developed to further reduce areal density while ensuring thermal performance, meeting the strict weight reduction requirements of rail transit, aviation and precision equipment.
The domestic market is characterized by sufficient capacity for middle and low-end products and room for improvement in high-end products. The production threshold of general-grade products is gradually lowered, and continuous capacity release leads to fierce price competition. High-end products with high temperature resistance, low dust and high stability for aerospace, large-scale refining equipment, high-end ships and semiconductor equipment still have high technical barriers. Leading enterprises occupy major market shares relying on core formulas and technologies, and there is huge space for domestic substitution. In addition, the industrial chain is constantly improved. A complete upstream and downstream supply chain covering silicon raw materials, aerogel powder, glass fiber yarn and finished composite products has been formed domestically, which effectively controls production costs, lowers product prices and accelerates popularization in civil and industrial fields.
Driven by both policies and market demands, the future trends are clear. Firstly, green and low-carbon development: low-VOC, dust-free and closed-loop recycling processes are widely applied in production to comply with environmental regulations and carbon neutrality goals. Secondly, scenario customization: customized products are developed according to working conditions, temperature resistance grades and fire protection standards of different industries, and segmented markets move towards refined operation. Thirdly, cross-border integration: aerogel glass fiber insulation blankets are combined with fireproof rolls, sound absorption materials and flexible sealing materials to expand the forms of composite products.
It is estimated that the average annual growth rate of the domestic market will remain above 16% in the next five years. With continuous technological breakthroughs, declining costs and expanding downstream applications, this product will fully replace traditional high-energy-consumption insulation materials and become a core functional material in industrial energy saving and safety protection, promoting the comprehensive upgrading of the entire insulation material industry towards high-end, green and high-efficiency development.