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Application filed by Stojanov, Valkov, ValovfiledCriticalStojanov
Priority to BG94743ApriorityCriticalpatent/BG94743A/en
Publication of BG94743ApublicationCriticalpatent/BG94743A/en
The electromeltable material is useful in metal casting for making articles and details able to contact with metal melts and for making high-temperature insulators. The following ingredients in weight parts are included in the material's composition : magnesium oxide from 1 to 35, aluminium oxide from 9 to 45, silicon dioxide from 28 to 42, silicon carbide from 0,1 to 20 and natrium silicon fluoride from 17 to 29.
BG94743A1991-07-031991-07-03Electromeltable machine workable ceramic material
BG94743A
(en)
REFRACTORY COMPOSITION OF ALUMINA-ZIRCONIUM-SILICA GRAINS FOR THE MANUFACTURE OF REFRACTORY ARTICLES, IN PARTICULAR TILES, REFRACTORY COATING OF OVENS OR THE LIKE
Condition of Work and Prospects for Development of Refractory Material for Basic Conversion of Ferrous Metallurgy. Refractory Materials for Slide Gates in Steel-Pouring Ladles