FIELD: silicates, composition of glasses for making beads.
SUBSTANCE: bead making glass contains, mass %: SiO2 56-62;, Al2O3 1-3; CaO 6-8; BaO 6-8; ZnO 1-3; Na2O 6-10; K2O 6-10; B2O3 4-6; As2O3 0,5-1. Beads made of glass, have no bubbles visible to the eye, no cords, and are of distinguished decorativeness.
EFFECT: increased quality of glass which is useable for making beads.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| GLASS FOR BEAD PRODUCTION | 2009 |
|
RU2392238C1 |
| GLAZE | 2006 |
|
RU2321562C1 |
| GLASS | 2006 |
|
RU2334699C1 |
| GLASS FOR KINESCOPE SCREEN | 2006 |
|
RU2312080C1 |
| GLAZE | 2006 |
|
RU2308422C1 |
| GLASS | 2006 |
|
RU2316495C1 |
| GLASS | 2006 |
|
RU2326066C1 |
| CRYSTAL GLASS | 2007 |
|
RU2340574C2 |
| GLAZE | 2006 |
|
RU2333169C1 |
| GLASS FOR ELECTROVACUUM DEVICES | 2006 |
|
RU2345002C2 |
