Tarkibga o'tish
What is the 925 on a silver necklace
customized choker necklace from 925 sterling silver jewery manufacturer with 20 Yillar tajribasi
Pure silver is a little too hard to work with as its a little soft.
So the material is usually mixed with copper or zinc to produce a mix with a slight impurity.
But a satisfactory level of silver to still be mostly made of silver.
The level of 925 parts per 1000 being silver is referred to as Sterling Silver.
And is usually marked as such with a 925 Marking.
This is meant to differ from other levels of silver. And is MEANT to provide a degree of security .
That the material is actually represented as sterling silver.
These days you dont have to use chemical tests on the material .
You can actually use a specialist tool to check the composition of the material.
925 on silver is BIS Hallmarking which says that the product is 92.5% pure.
In silver the purity is stated out of 1000.
Shuningdek, any silver greater than 92.5% pure is known as sterling silver.