INSUL - Cal Sil board is free of asbestos suitable for industrial applications to withstand temperatures of up to 1050°C. It is manufactured from SiO2 and CaO, which are recognized as not being harmful to health. The product is not subject to marking according to regulations to hazardous substance

Silicon dioxide aerogel felt is the lightest solidmaterial because it has the characteristic of nano-porous structure, low density, low permittivity,low thermal conductivity, high specific surface area etc. It shows the unique properties in mechanics, acoustics, thermology, optics. Its thermal insulation performance is the best at present,