| 摘要 |
FIELD: production of glass, particularly, production of decorative aventurine glass which may be used for production of facing and artistic articles. SUBSTANCE: aventurine glass additionally comprises $$$ and $$$; ratio of its components, mas.% is as follows: $$$, 52.41-55.56; $$$, 3.99-6.21; $$$, 7.73-8.23; $$$, 0.47-0.53; CaO, 21.18-24.36; MgO, 0.01-0.02; $$$, 3.02-4.79; $$$, 1.68-1.98; $$$, 1.62-1.95; $$$, 0.37-3.89. Aventurine glass comprises, mas. %: plagiopegmatite, 50.0-56.90; carbonatite, 22.70-30.9; sphene concentrate, 8.70-15.9; potassium bichromate, 2.27-2.50; sodium tetraborate, 1.00-9.13. EFFECT: decreased boiling temperature of glass without deterioration its decorative properties while retaining low expense of $$$; increased acid-, water and alkali resistance of desired product; expanded variety of origin mineral raw materials for production of aventurine glass by using mining waste and side products of mining industry. 2 cl, 2 tbl |
