In this article, we will walk you through a separate process that takes place after 999.9 sterling silver has entered production. Since silver is a soft metal, it must be mixed with a specialized master alloy to improve the characteristics of the silver alloy, such as increasing hardness and wear resistance, protecting it from tarnishing, and making it hypoallergenic.
The 925 sample is made as follows: silver 999.9 samples and ligature are poured into the crucible of the melting machine, where they are mixed at a temperature of about 1000 degrees. After that, using special tongs, we take the crucible and move the molten metal into the granulator.
Solidifying, granules are obtained, i.e. 925 test. Many may have a question: "How to determine how much metal is needed to create a jewelry tree?". The Christmas tree, when waxes are soldered on it, future products, is placed on a rubber base on which its weight is written (they are placed on the scales and the weight of the rubber base is subtracted from the resulting weight). There is also a certain formula by which the weight of the required amount of metal can be calculated from the weight of the wax, i.e. how much metal should be poured into the casting machine for each Christmas tree. Another interesting fact is that each Christmas tree is numbered in production to avoid casting errors. For example, if less metal is poured during casting, underfilling may occur, because. metal is not enough to completely fill the flask with plaster.
