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MILLED ZIRCON

Our dry milled zircon is widely used in a number of industries which include:
• Investment Casting
• Refractory
• Foundry Coatings
• Chemicals
• Electronics
• Friction Products
• Frit & Color Pigments

Continental Mineral has specialized in dry milled zircon for over a half century. Our state of the art equipment and commitment to continuous improvement have established us as the standard of the industry. We produce standard products such as 200, 325, 400 and 600 mesh milled zircon. For customers that have custom particle size sepecifications, we are fully equipped to meet your desired specifications.

We also market and package granular zircon to complete our wide range of zircon products.

Download Milled Zircon Product Sheet PDF

Milled Zircon Chemistry
  Calcined Premium Flour Calcined Standard Flour Uncalcined Flour
*ZrO2% Zirconium Oxide 65.0 Min. 65.0 Min. 64.5 Min.
SiO2% Silicon Dioxide 32.5 Typ. 32.5 Typ. 32.5 Typ.
TiO2% Titanium Dioxide 0.25 Max. 0.35 Max. 0.30 Max.
Fe2O2% Iron Oxide 0.045 Max. 0.054 Max. 0.15 Max.
Al2O3% Aluminum Oxide 0.90 Max. 2.0 Max. 2.0 Max.
U & Th Uranium & Thorium 450 Max. 475 Max. 475 Max.
P2O5% Diphosphorus Pentoxide 0.09% Typ. 0.09% Typ. 0.09% Typ.
*Includes Hafnium Oxide
Typical Analysis
Micromeritics Saturn DigiSizer 5200
200 Coarse 200 Mesh 325 Mesh
Mean 35.37 Mean 27.45 Mean 18.39
Median 28.83 Median 21.95 Median 15.44
10% Finer 2.524 10% Finer 2.045 10% Finer 1.481
50% Finer 28.83 50% Finer 21.95 50% Finer 15.44
90% Finer 78.09 90% Finer 60.36 90% Finer 38.46
Low Diameter Cumulative Vol. Low Diameter Cumulative Vol. Low Diameter Cumulative Vol.
(µm) Finer (%) (µm) Finer (%) (µm) Finer (%)
352.000 100.0 352.000 100.0 352.000 100.0
248.900 100.0 248.900 100.0 248.900 100.0
176.000 100.0 176.000 100.0 176.000 100.0
124.500 99.1 124.500 100.0 124.500 100.0
88.000 92.9 88.000 97.6 88.000 99.9
62.230 82.5 62.230 90.8 62.230 98.7
44.000 67.7 44.000 78.5 44.000 94.0
31.110 53.0 31.110 63.5 31.110 81.5
22.000 40.9 22.000 50.1 22.000 65.2
15.560 31.9 15.560 39.2 15.560 50.3
11.000 24.7 11.000 30.3 11.000 37.9
7.778 19.5 7.778 23.6 7.778 28.7
5.550 15.9 5.550 18.8 5.550 22.6
3.889 12.9 3.889 15.0 3.889 17.9
2.750 10.5 2.750 12.1 2.750 14.6
1.945 8.5 1.945 9.7 1.945 11.8
1.375 6.9 1.375 7.7 1.375 9.6
0.972 5.4 0.972 5.9 0.972 7.5
0.688 4.2 0.688 4.4 0.688 5.6
0.486 2.8 0.486 3.2 0.486 4.2
0.344 1.8 0.344 1.8 0.344 2.7
0.243 1.1 0.243 0.6 0.243 1.5
0.172 0.6 0.172 0.1 0.172 0.6
Typical Analysis
Micromeritics Saturn DigiSizer 5200
400 Mesh 600 Mesh
Mean 14.65 Mean 11.01
Median 12.63 Median 9.017
10% Finer 1.136 10% Finer 0.758
50% Finer 12.63 50% Finer 9.017
90% Finer 31.43 90% Finer 24.12
Low Diameter Cumulative Vol. Low Diameter Cumulative Vol.
(µm) Finer (%) (µm) Finer (%)
352.000 100.0 352.000 100.0
248.900 100.0 248.900 100.0
176.000 100.0 176.000 100.0
124.500 100.0 124.500 100.0
88.000 100.0 88.000 100.0
62.230 100.0 62.230 100.0
44.000 98.9 44.000 99.3
31.110 89.6 31.110 95.8
22.000 74.8 22.000 87.2
15.560 59.0 15.560 73.4
11.000 44.6 11.000 57.9
7.778 34.0 7.778 44.9
5.550 26.8 5.550 35.7
3.889 21.2 3.889 28.3
2.750 17.2 2.750 22.8
1.945 14.0 1.945 18.5
1.375 11.3 1.375 15.0
0.972 8.9 0.972 12.0
0.688 6.7 0.688 9.3
0.486 5.0 0.486 6.8
0.344 3.3 0.344 4.8
0.243 1.8 0.243 3.0
0.172 0.8 0.172 1.6
Typical Physical Properties
Melting Point Greater than 4000o
Coefficient of Thermal Expansion 4.2 x 10-6cm/cm/oC
Hardness 7.5 Moh's Scale

PACKAGING

• Multiwall Paper

• Bulk Bags

• Pneumatic Trucks

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For more information regarding Continental Mineral Processing,
please contact us directly at 513.771.7190 or e-mail us at info@continentalmineral.com
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