DESCRIZIONE
Thermally insulating powder mixture which has a bulk density according to DIN ISO 697 and EN ISO 60 of 20 - 60 g/l and which comprises at least one silica with a BET surface area according to DIN ISO 9277 of 130 - 1200 m2/g and with a D (50) value below 60 µm and at least one fibre material with a fibre diameter of 1 - 50 µm.