It is shown that the pyrocatechin (1, 2-dihydrohybezene) in an amount of 0.005 – 0.010 wt.% solid components has a pronounced plasticizing effect on mixtures of polyfraction corundum filler and colloidal SiO2-solution binder, stabilized with ammonia ions, intended for preparing cement-free refractory concrete. Self-consolidating refractory compositions are prepared with minimum water content.
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Translated from Novye Ogneupory, No. 10, pp. 49 – 52, October, 2018.
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Voronkov, M.E., Brykov, A.S., Nekrasova, O.K. et al. Effect of Pyrocatechin on the Properties of Cement-Free Refractory Concrete Mixtures Based on Silica-Containing Colloidal Binders. Refract Ind Ceram 59, 545–548 (2019). https://doi.org/10.1007/s11148-019-00268-3
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DOI: https://doi.org/10.1007/s11148-019-00268-3