| abstract |
The invention relates to a composition for forming a heat-insulating ceramic coating on a metal, said composition comprising, in % by weight: n10 - 50% of potassium silicate n10 - 50% of silica n5 - 40% of inorganic filler n1 - 25% of ceramic fibres n2 - 40% of water n2 - 20% of hollow microparticles n0 - 5% of surface active agent. n The invention also relates to a method for preparing a composition having the above-mentioned components. n Furthermore, the invention relates to the use of the composition comprising the above-mentioned components, for application to internal combustion engine exhaust pipes. n Finally, the invention relates to internal combustion engine exhaust pipes coated with layers of the above-mentioned composition. |