COMPOSITION FOR PREPARING HIGH-TEMPERATURE ELECTROINSULATING GLASS TEXTOLITE Russian patent published in 1999 - IPC

FIELD: use as electroinsulators. SUBSTANCE: composition based on fiber glass, alumophosphate binder, powder-like α-Al₂O₃ filler, heat treated ground cuttings or powder-like waste of the same glass textolite comprises, wt %; fiber glass 19-26; alumophosphate binder, 29-36; heat treated ground cuttings or powder-like waste of the same glass textolite, and powder-like α-Al₂O₃ filler, the balance. EFFECT: greater mechanical strength of material, lower cost price and smaller amounts of expendable raw components (aluminium oxide powder). 1 tbl