  | JSC ChMP is the part of Russian Federation nuclear-power complex ( Corporation TVEL) |  |
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Zirconium dioxide is the crystal powder of white or white and grey or yellow shadow colour with easily milled lumps of cake.
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Zirconium dioxide
| Name of indices |
Grade |
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| DZ1 |
DZ2 |
DZ3 |
DZ4 |
DZ5 |
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| Fraction of total mass of total (ZrO2 +HfO2) % |
99,3 |
98,8 |
98,0 |
95,8 |
94,0 |
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| Fraction of total mass % for calcinated product, not more |
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| SiO2 |
0,05 |
0,1 |
0,25 |
1,0 |
2,0 |
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| Fe2O3 |
0,03 |
0,06 |
0,08 |
0,3 |
0,5 |
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| TiO2 |
0,05 |
0,2 |
0,25 |
0,35 |
- |
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| Al2O3 |
0,03 |
0,05 |
0,07 |
0,1 |
- |
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| CaO |
0,05 |
0,15 |
0,3 |
0,9 |
1,2 |
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| MgO |
0,05 |
0,05 |
0,3 |
- |
- |
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| K2O + Na2O |
0,05 |
0,05 |
0,07 |
0,15 |
- |
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| P2O5 |
0,05 |
0,55 |
- |
- |
- |
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| SO3 |
0,3 |
0,3 |
0,5 |
0,9 |
0,9 |
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| Losses of weight ta an incineration, not more |
0,5 |
0,5 |
0,6 |
- |
- |
Zirconium dioxide, stabilized by yttrium oxide
| Name of indices |
Grade, % |
|
| DZY1
| DZY2
| DZY3
| DZY4
| DZY5
| DZY6
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| Fraction of total mass of zirconium dioxide, hafnium dioxide and yttrium oxide, not less |
99,5 |
99,5 |
99,2 |
99,2 |
99,0 |
99,0 |
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| Fraction of total mass of silicon, not more |
0,05 |
0,05 |
0,1 |
0,1 |
0,3 |
0,3 |
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| Fraction of total mass of iron oxide, not more |
0,03 |
0,03 |
0,08 |
0,08 |
0,08 |
0,08 |
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| Fraction of total mass of titanium dioxide, not more |
0,01 |
0,01 |
0,1 |
0,1 |
0,25 |
0,25 |
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| Fraction of total mass of calcium oxide, not more |
0,03 |
0,03 |
0,05 |
0,05 |
0,3 |
0,3 |
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| Fraction of total mass of aluminium oxide, not more |
0,03 |
0,03 |
0,05 |
0,05 |
0,05 |
0,05 |
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| Fraction of total mass of yttrium oxide |
4-6 |
15-17 |
4-6 |
15-17 |
4-6 |
15-17 |
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| Fraction of total mass of magnesium oxide, not more |
0,02 |
0,02 |
0,03 |
0,03 |
0,2 |
0,2 |
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| Fraction of total mass of sodium oxide and potassium oxide, not more |
0,01 |
0,01 |
0,05 |
0,05 |
0,1 |
0,1 |
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| Fraction of total mass of sulphur oxide, not more |
0,3 |
0,3 |
0,3 |
0,3 |
0,5 |
0,5 |
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| Fraction of total mass of phosphorus oxide, not more |
0,05 |
0,05 |
0,1 |
0,1 |
0,3 |
0,3 |
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| Loss on ignition, not more |
0,5 |
0,5 |
0,5 |
0,5 |
0,5 |
0,5 |
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| Total specific alpha-activity Ku/kg, not more |
7400 (2*10-7) |
7400 (2*10-7) |
7400 (2*10-7) |
7400 (2*10-7) |
7400 (2*10-7) |
7400 (2*10-7) |
According to Customer order calcium oxide could be used as the stabilizer
Zirconium dioxide for plasma spraying
| Name of indices |
Grade |
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| DZ-100
| DZ-63
| DZ-40
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| Fraction of total mass of zirconium dioxide, %, not less |
90,0 |
90,0 |
90,0 |
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| Fraction of total mass of yttrium oxide, % |
from 6,0 to 10,0 incl. |
from 6,0 to 10,0 incl. |
from 6,0 to 10,0 incl. |
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| Fraction of total mass of hafnium dioxide, %, not more |
0,3 |
0,3 |
0,3 |
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| Fraction of total mass of iron oxide, %, not more |
0,3 |
0,3 |
0,3 |
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| Remainder on sieve mesh 01 ë according to GOST 6613, %, not more |
5 |
Is absent |
Is absent |
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| Remainder on sieve mesh 0063 ë according to GOST 6613, %, not more |
Is not standardized |
5 |
Is absent |
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| Remainder on sieve mesh 004 ë according to GOST 6613, % |
75,not less |
75,not less |
5,not more |
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| Total specific alpha-activity Ku/kg, not more |
7400 (2È10-7) |
7400 (2È10-7) |
7400 (2È10-7) |
Basic carbonate of zirconium
| Name of indices |
Grade |
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| A
| B
| C
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Fraction of total mass of zirconium dioxide and hafnium dioxide
(ZrO2 + HfO2), %, not less |
25-45 |
25-45 |
25-45 |
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| Fraction of total mass of silicon dioxide (SiO2), %, not more |
0,05 |
0,3 |
1,0 |
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| Fraction of total mass of iron oxide (Fe2O3), %, not more |
0,01 |
0,05 |
0,3 |
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| Fraction of total mass of titanium dioxide (TiO2), %, not more |
0,01 |
0,2 |
0,5 |
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| Fraction of total mass of calcium oxide (óÁO), %, |
0,03 |
0,3 |
0,8 |
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| Fraction of total mass of chromium oxide (Cr2O3), %, not more |
- |
- |
- |
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| Fraction of total mass of sodium oxide and potassium oxide, %, not more |
0,05 |
0,1 |
0,5 |
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| Fraction of total mass of sulphate-ion (SO42-), %, not more |
0,2 |
0,2 |
1,0 |
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| Total specific alpha-activity Ku/g, not more |
3.0 |
3.0 |
3.0 |
Grinding bodies
Material ZrO2+Y2O3 (5 % mass)
| Name of indices |
Normal |
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| Diameter, mm |
3 - 16 |
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| Compressive strength 2 |
300 - 350 |
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| Hardness, HRC |
88 - 90 |
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| Density g/cm3 |
not less 5,7 |
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| Wear resistance |
Hight |
Grinding bodies from zirconium dioxide, partially stabilized by yttrium oxide, are used in "clean" mills of different types for fine materials grinding in chemical, pharmaceutical, food industry. Contamination of milled product by grinding bodies material is practically excluded.
Solid electrolyte of test tube type
Material ZrO2+Y2O3 (16 % mass)
| Name of indices |
Normal |
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| Density g/cm3 |
not less 5,7 |
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| Diameter, mm |
10 |
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| Lehght, mm |
up to 250 |
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| Wall thickness, mm |
0,5 - 1,0 |
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| Curvature at maximum length, mm |
not more 1,0 |
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| Electron conduction |
Is absent |
Solid electrolyte on the basis of completely stabilized zirconium dioxide are used in such electrochemical devices as oxygen sensors in gas medium, gas electrolyzes for pure oxygen production, independent power source.
According to Customer order solid electrolyte products could be of different configuration. |
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