Synthetic corundums
Basic raw material - alumo-ammonium alum and the powder
Suppliers of the raw material - alumo-ammonium alum and powder - Ukraine, China, France
- natural gas - Russia
Markets and field of application: Russia, southeastern Asia (Singapore, India, Thailand and other)
Synthetic corundums are used both for jewelry purposes and for the technical purposes. To this contributes the physical chemistry properties of crystals, refractoriness, the high hardness, which is inferior only to diamond, stability to the aggressive media, and also ability to be given to grinding and polishing. Because of these properties the corundum finds wide application in the instrument manufacture, watch industry and electronics. The wide range of colors and nuances of corundum makes it possible to prepare jewelry articles, inserts, which imitate all those being encountering of them in nature the precious minerals: topazes, sapphires, amethysts, alexandrites, tourmalines and other
The crystals of special-orientation KMP-02 adapt in the electronics industry for preparing the base layers for the integrated circuits, in radio engineering for preparing sensors, various membranes and lenses, technical windows. Optical paths are applied in an iron and steel industry as gauges of heats . Ruby cores are applied in instrument making
Quality of the production at the chemical plant there is a possibility of the production of corundums of more than 50 designations in the correspondence with affirmed TS.
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SYNTHETIC CORUNDUM
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Prices are given in US dollars per 1 kg
VALID from 01.04.2009
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Description
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Article
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Quality
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Price, US$/kg
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International
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Russian
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Deep Blue Sapphire
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#35
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KC-6
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Extra
sorted
Crackles
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200
190
110
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Deep Blue Sapphire
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#34
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KC-5
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Extra
sorted
Crackles
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200
190
110
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Blue Sapphire
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#33
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KC-4
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Extra
sorted
Crackles
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190
180
100
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Light Blue Sapphire
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#32,31
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KC-3
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Extra
sorted
Crackles
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190
160
90
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Dark Ruby
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#8
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P-10
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Extra
sorted
Crackles
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140
120
80
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Padparadshah
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#55
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KT-5
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Extra
Sorted
Crackles
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200
180
110
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Danburite
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#54
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KT-4
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Extra
Sorted
Crackles
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200
180
120
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Yellow Topaz
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#22
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KT-3
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Extra
Sorted
Crackles
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220
200
120
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Lemon Sapphire
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#20
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KT-2
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Extra
Sorted
Crackles
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220
200
120
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Dark Alexandrite
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#46, 45
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KA-4, KA-3
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Extra
Sorted
Crackles
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200
180
100
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Dark Kunzite
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#61, 60
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KK-4, KK-3
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Extra
Sorted
Crackles
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180
160
100
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Emerald Green Corundum
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#78
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KCИ
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Extra
sorted
Crackles
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1600
800
450
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