Conclusions
It was established that cardboardlike materials can be manufactured from Soviet-produced kaolin and high-alumina refractory fibers with added adhesive or reinforcing fibers. The optimal compositions for the materials were determined.
The principal technological parameters for the production of refractory cardboard on cardboard-making machines were determined and experimental industrial batches of cardboard in the form of sheets and rolls were produced.
In tests in various heat-using apparatus the refractory cardboard proved to be a highly efficient heat insulation and elastic compensation material for long-term service temperatures up to 1100°C.
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Translated from Ogneupory, Vol. 18, No. 8, pp. 6–9, August, 1977.
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Yutina, A.S., Sorin, M.N., Gaodu, A.N. et al. Heat-insulation paper and cardboard from refractory fiber. Refractories 18, 446–448 (1977). https://doi.org/10.1007/BF01288249
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DOI: https://doi.org/10.1007/BF01288249