FIELD: chemistry.
SUBSTANCE: glass comprises the following in wt %: SiO2 72.42-74.7; CaO 10.0-13.0; Na2O 4.0-8.0; K2O 4.2-8.3; Fe2O3 0.1-0.25; Se 0.2-0.58; MnO2 1.5-2.5; As2O3 0.05-0.2.
EFFECT: increased initial softening temperature of glass.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| GLASS | 2006 |
|
RU2331594C1 |
| GLASS | 2016 |
|
RU2640220C1 |
| GLASS | 2006 |
|
RU2325343C1 |
| GLASS | 2007 |
|
RU2340573C2 |
| CUT GLASS | 2016 |
|
RU2614760C1 |
| CRYSTAL GLASS | 2007 |
|
RU2340574C2 |
| GLASS | 2006 |
|
RU2311363C1 |
| GLASS | 2016 |
|
RU2616019C1 |
| GLASS | 2006 |
|
RU2320559C1 |
| GLASS | 2006 |
|
RU2315010C1 |
