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Title: Refractory insulating products having controlled porosity and the preparing thereof by the wet method

Abstract: Refractory insulating products having controlled porosity, a high resistance to thermal shock, erosion and corrosion by liquid metals such as aluminium, obtained by the wet method, containing (a) an aluminous cement (b) a refractory aggregate, and (c) more than 10% by weight, in relation to the refractory aggregate, of polycrystalline ceramic fibers with at least 70% alumina and at most 30% silica.


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Inventors: Daviot, Jean (Saint-Cheron, FR)
Marchais, Michel (Orchies, FR)

Application Number: 881337
Filing Date: 1978-02-27
Publication_date: 1979-03-06
Assignee: Groupement pour les Activites Atomiques et Avancees (LePlessis-Robinson, FR)
Primary Class(es): 501/128 106/692, 501/124
Other Classes:
US Patent Ref:
3164482Jan, 1965Renkey106/64.
3269849Aug, 1966Caprio et al.106/64.
3294562Dec, 1966Caprio et al.106/64.

Other Refs:
Primary Examiner: Poer, James
Assistant Examiner:
Attorney: Sughrue, Rothwell, Mion, Zinn and Macpeak