Korund Ltd., Dzerzhinsk – chemical products industry

Synthetic corundum
Name of ProductGOST (state standard)or TU (factory standard)Field of Application
1Synthetic corundum crystalsEF 2655-039-72311668-2005Clock, electronic and medical industries
2Products from synthetic corundums (by orders)
3Not dimensional synthetic corundum (leuco sapphire fight)
4Alexandrite from КА-1 to КА-4EF 2655-021-72311668-2005Manufacture of inserts in jewels
5Amethyst from КК-1 to КК-4EF 2655-021-72311668-2005Manufacture of inserts in jewels
6Pale pink ruby from КР-1 to КР-3EF 2655-021-72311668-2005Manufacture of inserts in jewels
7Light pink ruby from КР-4 to КР-5EF 2655-021-72311668-2005Manufacture of inserts in jewels
8Pink ruby from КР-6 to КР-7EF 2655-021-72311668-2005Manufacture of inserts in jewels
9Light red ruby from КР-8 to КР-10EF 2655-021-72311668-2005Manufacture of inserts in jewels
10Red ruby КР-11EF 2655-021-72311668-2005Manufacture of inserts in jewels
11Pale blue sapphire from КС-1 to КС-3EF 2655-021-72311668-2005Manufacture of inserts in jewels
12Blue sapphire КС-4EF 2655-021-72311668-2005Manufacture of inserts in jewels
13Dark blue sapphire from КС-5 to КС-3EF 2655-021-72311668-2005Manufacture of inserts in jewels
14Yellow topaz from КТ-1 to КТ-5EF 2655-021-72311668-2005Manufacture of inserts in jewels
15Green corundum (emerald-like) light КЗ(И)-1EF 2655-020-72311668-2005Manufacture of inserts in jewels and technical products
16Green corundum (emerald-like) dark КЗ(И)-2EF 2655-020-72311668-2005Manufacture of inserts in jewels and technical products
17Green corundum (emerald-like) various shades КЗ(И)-3EF 2655-020-72311668-2005Manufacture of inserts in jewels and technical products

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