FIELD: chemistry.
SUBSTANCE: crude mixture for making artificial stone contains the following, wt %: borax 25-35; cobalt carbonate 0.01-0.015; litharge 10-15; crystal - the rest. The mixture of components is melted and poured into metal moulds. The obtained moulds are then annealed, polished and cut.
EFFECT: low melting temperature of the crude mixture for making artificial stone which imitates colourless topaz.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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|
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RU2366623C1 |
| CRUDE MIXTURE FOR MAKING ARTIFICIAL STONE | 2010 |
|
RU2444490C1 |
