| 摘要 |
The refractory material, especially for insulation of heat aggregate, consists of a refractory putty, which consists of 15 to 45 parts by weight of chamotte flour, 10 to 25 parts by weight of sodium or potassium water glass with the density of 37 degrees Be, 0.5 to 5 parts by weight of sodium fluorosilicate and 10 to 60 parts by weight of glass sand and at least 1 puttied layer of glass fibre and/or of at least one fabric layer from mineral fibres at the thickness of 1 to 3 mm.
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