Aeropan is a panel designed for thermal insulation of building structures that require the highest level of insulation in the smallest possible space.
It is composed of an insulator nanotechnological Aerogel coupled to a breathable membrane in polypropylene reinforced with glass fiber and is thought for the realization of thermal insulation at low thickness. With a thickness of only 10 mm and a thermal conductivity ʎ = 0.015 W / (mK) Aeropan reduces energy loss, recovering space in building applications, residential and commercial.
The unique properties of Aeropan - minimum thermal conductivity, flexibility and compression resistance, hydrophobicity, and ease of installation - make it an indispensable product for maximum thermal insulation in all the different types of structures: new and retrained.
Aeropan is suitable for applications on external perimeter walls and interior walls, soffit, attics, resolution of thermal bridges and is mainly used in thermal insulation of windows soffits. Aeropan stands as the best product for external or internal restructuring, in building restoration and in those historic buildings undergoing architectural constraints and wherever it is necessary to increase living comfort.
Based insulating airgel
High insulation, ʎ = 0.015 W / (mK)
10 mm minimum thickness for each type of intervention
Speed of installation
UV resistance and weathering
Absolute stability in all weather conditions
High permeability to water
Ease of handling and storage on site
The first molecules of airgel date back to 1931, when Steven Kistler of the College of the Pacific in Stockton, California discovered the secret to dry the gel avoiding collapse.
Bringing the liquid to a supercritical state, and then the temperature to supercritical conditions is that the pressure, the pressure is made to slowly decrease: the supercritical fluid is then ejected from the gel without the destructive effects due to surface tension.
What remains is an airgel, to date the solid substance lighter in the world, composed for 98% of air and 2% amorphous silica, the main component of the glass.
Besides being super-lightweight, the airgel is an excellent thermal insulator and resists high temperatures. For the airgel can be used very different materials; Kistler's work led to airgel based on silicon, aluminum, chromium, and tin. Carbon aerogels were developed for the first time in 1990. The commercial production of composites based airgel, began around 1998.
The silica airgel, by a process of impregnation, is joined to a fibrous reinforcement which ensures flexibility, durability, and especiallyusability.
The mechanical and thermal properties of the product can be varied in function of the reinforcing fibers used, the matrix of airgel worked, and by the addition of special additives opacifiers included in the obtained composite. Around 2000, you can find the first examples of application of airgel composites in sports equipment; the first example of all is a jacket designed and produced in Italy, called Absolute Zero and later called Absolute Frontiers. More generally, NASA used airgel to trap particles of interstellar dust during the mission of the probe Stardust; these particles vaporize during the impact with the solids and pass through the gas, but can be trapped in the airgel due to their nanoporous structure. As well as in research, NASA used airgel for thermal insulation of the "Mars Rover" and spacesuits used for Shuttle missions.
Aerogels, for their nano-porous structure, have exceptional thermal insulation. They are good inhibitors convective because the air can not circulate within the lattice, and thus oppose an extraordinary resistance to the passage of heat flow.
Thanks to exclusive patents from the aerospace industry, the new airgel on flexible media may for example be used as super-insulatingfor clothing, for packing anoraks much warmer but also very thin and light, as well as tents or sleeping bags on the thickness paltry. More generally, other applications include household appliances, the insulation of buildings, petrochemical plants and some details of the automotive sector. Future applications may, however, continue to cover also the space: NASA is evaluating the use airgel to build the heat shield that will protect future spacecraft during re-entry into the atmosphere.
The airgel, as already mentioned, is one of the lightest substances known up to now.
It is composed of 98% air and 2% of amorphous silicon, the main component of common sand or glass, but it is 1,000 times less dense, it bears very high temperatures and is an excellent insulator.
Just for the presence of silicon airgel is also commonly called "sand inflated" or "frozen smoke" for its color blue-blue in monolithic form. The appearance of nanotechnological products insulating airgel regards the nanometer scale voids incorporated into the gel matrix of amorphous silicon, as these materials do not consist of nanoparticles but nanopores.
The airgel is a type of synthetically amorphous silica which differs from crystalline silicon.
The amorphous silica synthetically has no effect on health - as stated by the OECD (United Nation's Organization for Economic Co-operation and Development) compared to crystalline silicon which can cause respiratory diseases such as silicosis.
The main difficulty in using airgel is its nature that makes it particularly fragile and difficult "usable" primitive state: once obtained a cube of airgel, its extreme fragility does not make it neither workable nor used for any application requiring the slightest manipulation.
In order to use at best the extraordinary thermal characteristics of the product, has been patented a system in order to "trap" the airgel within a fibrous structure, guaranteeing the same potential insulation without sacrificing the ease of handling and processing of the product.