GLAZE Russian patent published in 1994 - IPC

FIELD: ceramics. SUBSTANCE: glaze has, wt.-%: silicon oxide 58.0- 59.5; boron oxide 12.5-13.5; aluminium oxide 12-14; calcium oxide 2-3; sodium oxide 1.2-2.0; potassium oxide 5.8-6.4; titanium oxide 2.8-3.3; molybdenum oxide 0.5-1.0; barium oxide 1.0-1.9. Glaze properties: making point is 1350 C, thermal stability is 260± 10^°C, acid resistance (weight loss in H₂SO₄) is (1.1-1.4)± 0.1%, resistance to cold is 50-80 cycles. EFFECT: enhanced quality of glaze. 2 tbl