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Thinnest insulation solution currently available on the market

27 July 2016

Panasonic Automotive & Industrial Systems Europe recently unveiled a thermal insulation sheet which is one of the thinnest insulation solutions currently on the market.

The NASBIS (Nano Silica Balloon Insulation Sheet) high-performance thermal insulation sheet comes with a thickness of 50, 100, 500, or 1,000µm and an ultra low thermal conductivity of 0.018 to 0.024W/mK. This very low thermal conductivity of convection is achieved thanks to a pore diameter which is smaller than mean free path of air (68nm).

NASBIS is made of a material called aerogel. This is a synthetic porous material derived from a gel, but in which the normal liquid component of the gel has been replaced with gas. In addition to its ultra low thermal conductivity, aerogel benefits from a low sound propagation of 120m/s, low bulk density of 0.050 up to 0.250g/cm³, high transparency of 90 percent up to 94 percent at 10mmt, a refractive index like air of 1.015 up to 1.055, as well as high porosity of 90 percent up to 98 percent.

Comments Satoshi Endo, Product Manager, Thermal Solutions & Ceramic Devices at Panasonic: “The flexibility and heat insulation performance of the ultra thin NASBIS thermal insulation sheet make it the ideal solution for applications where it is important to cancel a heat spot in a narrow space, e.g. in mobile phones”.

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