FIELD: metallurgy.
SUBSTANCE: proposed composition contains the following substances, in wt %: soda - 19.0-21.0, borax - 5.0-7.0, cryolite - 5.0-7.0, perlite and/or obsidian - 67.0-69.0. Glass melting is performed at 1260-1300°C. Melt is poured in metal moulds made from refractory steel. Glass articles are subjected to annealing and machining.
EFFECT: lower temperature glass melting.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2495838C1 |
| MIXTURE FOR MAKING GLASS | 2011 |
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RU2365545C1 |
| GLASE COMPOSITION | 2010 |
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| CHARGE COMPOSITION OF GLAZE | 2013 |
|
RU2526091C1 |
| MIXTURE FOR MAKING GLASS | 2010 |
|
RU2417165C1 |
