| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to technology of silicates and production of ceramic articles. The method of making ceramic articles which imitate jasper involves preparing differently and non-uniformly coloured malleable ceramic mixtures, moulding articles, drying said articles and firing. The ceramic mixtures used have the following composition in pts.wt: kaolin or white-burning clay 95, ruddle 5; kaolin or white-burning clay 94, red lead 3, ochre 3; kaolin or white-burning clay 96, chromium oxide 4; kaolin or white-burning clay 95, umber 3, mummy 2; kaolin or white-burning clay 96, pyrolusite 4. ^ EFFECT: increased frost-resistance of articles. ^ 3 ex |
