FIELD: chemistry.
SUBSTANCE: inorganic fibres have the composition: Al2O3 greater than or equal to 5 mol %; K2O - 12-40 mol %; SiO2 - 5-80 mol %; viscosity modifiers less than or equal to 20 mol %, wherein SiO2+Al2O3+K2O is greater than or equal to 80 mol % and less than 100 mol %, wherein the fibre has a composition having melting point higher than 1400°C.
EFFECT: low bioproofness and improved thermal characteristics of articles.
20 cl, 4 tbl
