MODIFYING ALKALI-EARTH SILICATE FIBRE

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FIELD : chemistry. SUBSTANCE : method of producing fire resistant alkali-earth silicate fibre from molten mass involves using an alkali metal as a predetermined component to improve mechanical properties of the fibre compared to fibre in which no alkali metal is used. The fibre contains M2O, in which M denotes an alkali metal and in which either 65% 0.5%, or 75% 0.2%. EFFECT : improved mechanical and thermal properties of the fibre. 12 cl, 9 dwg, 6 tbl