Aerogel and aerogel felt are two different materials, and their main differences lie in their structure and preparation methods.


Aerogel is a solid material formed by removing the solvent from the gel. Its structure is a solid framework with a nanoporous structure composed of colloidal particles or molecular aggregates. Aerogel has the characteristics of light weight, high porosity and high specific surface area, so it has excellent thermal insulation and heat insulation properties. Aerogel can exist in the form of powder, block or granules, and is widely used in various fields such as aerospace, chemical engineering, energy, environmental protection and construction.


Aerogel felt is a thermal insulation material made by mixing aerogel with other materials (such as reinforcing fibers, adhesives, etc.) and then pressing, drying, cutting and other processes. Aerogel felt has the characteristics of light weight, high strength and high thermal insulation performance, and is widely used in construction, industry, aerospace, automobile manufacturing and other fields as thermal insulation and heat insulation materials.


In short, aerogel is a solid material with a nanoporous structure, while aerogel felt is a thermal insulation material made of aerogel as raw material. There are obvious differences between the two in structure and preparation method, and they also differ in application.