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High hardness
resistance to elevated temperatures
corrosion resistance
oxidation resistance
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Application:
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the zirconia has the advantage of smooth surface, light weight, and highst strength and tougthness, so it can be used for gring media, mill ining bricks, wear resistance lining, thermocouple protection and so many others field.
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|
Name |
Unit |
Alumina |
Zirconia |
||||
|
Content |
% |
≥95 |
≥99 |
≥99.7 |
≥94 |
||
|
Density |
g/cm3 |
3.65 |
3.80 |
3.90 |
6.00 |
||
|
Hardness (Hv0.5) |
GPa |
13.1 |
15.0 |
17.1 |
13.2 |
||
|
flexural strength  |
MPa≥ |
340 |
310 |
370 |
1000 |
||
|
Elasticity |
  GPa |
 300 |
 330 |
 350 |
 200 |
||
|
Poisson's ratio  |
 |
 0.23 |
 0.23 |
 0.23 |
 0.30 |
||
|
Max Tem. |
°C≥ |
1400 |
1750 |
1800 |
1050 |
||
|
Heat expansion |
×10-6/°C(40-800°C) |
7.8 |
8.0 |
8.0 |
11.0 |
||
|
Thermo conductivity  |
W/m·K( 20°C) |
22 |
28 |
31 |
2.6 |
||
|
Thermal Resistance |
 °C |
 200 |
 200 |
 230 |
 300 |
||
|
dielectric strength  |
 V/m |
 15×106 |
 15×106 |
 15×106 |
 11×106 |
||
|
dielectric phase angle  (1MHz) |
 ×10-4 |
4 |
2 |
1 |
16Â |
||
|
SIC(1MHz) |
 |
9.2 |
9.8 |
9.9 |
33 |
||
|
Nitric Acid  (60%)90°C |
WT Loss mg/cm2/day≤ |
0.12 |
0.10 |
0.05 |
  ≠0 |
||
|
Sodium hudroxide  (30%)80°C |
WT Loss mg/cm2/day≤ |
0.53 |
0.26 |
0.04 |
0.08 |
||
Packaging & Shipping
professional export packaging(cartoon&wooden box)
 Our Services
 We can design upon the customers' detailed requirements.OEM production.package or logo can be make according to customers' need. professional fragile packaging services.
Company Information
Â
HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.
Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.
Continuous improvement in all areas of our business is key to our grouth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers. Features:
Â
High hardness
resistance to elevated temperatures
corrosion resistance
oxidation resistance
Â
Application:
Â
the zirconia has the advantage of smooth surface, light weight, and highst strength and tougthness, so it can be used for gring media, mill ining bricks, wear resistance lining, thermocouple protection and so many others field.
Â
Â
|
Name |
Unit |
Alumina |
Zirconia |
||||
|
Content |
% |
≥95 |
≥99 |
≥99.7 |
≥94 |
||
|
Density |
g/cm3 |
3.65 |
3.80 |
3.90 |
6.00 |
||
|
Hardness (Hv0.5) |
GPa |
13.1 |
15.0 |
17.1 |
13.2 |
||
|
flexural strength  |
MPa≥ |
340 |
310 |
370 |
1000 |
||
|
Elasticity |
  GPa |
 300 |
 330 |
 350 |
 200 |
||
|
Poisson's ratio  |
 |
 0.23 |
 0.23 |
 0.23 |
 0.30 |
||
|
Max Tem. |
°C≥ |
1400 |
1750 |
1800 |
1050 |
||
|
Heat expansion |
×10-6/°C(40-800°C) |
7.8 |
8.0 |
8.0 |
11.0 |
||
|
Thermo conductivity  |
W/m·K( 20°C) |
22 |
28 |
31 |
2.6 |
||
|
Thermal Resistance |
 °C |
 200 |
 200 |
 230 |
 300 |
||
|
dielectric strength  |
 V/m |
 15×106 |
 15×106 |
 15×106 |
 11×106 |
||
|
dielectric phase angle  (1MHz) |
 ×10-4 |
4 |
2 |
1 |
16Â |
||
|
SIC(1MHz) |
 |
9.2 |
9.8 |
9.9 |
33 |
||
|
Nitric Acid  (60%)90°C |
WT Loss mg/cm2/day≤ |
0.12 |
0.10 |
0.05 |
  ≠0 |
||
|
Sodium hudroxide  (30%)80°C |
WT Loss mg/cm2/day≤ |
0.53 |
0.26 |
0.04 |
0.08 |
||
Packaging & Shipping
professional export packaging(cartoon&wooden box)
 Our Services
 We can design upon the customers' detailed requirements.OEM production.package or logo can be make according to customers' need. professional fragile packaging services.
Company Information
Â
HIGHBORN is one of the leading high quality quartz glass and precise ceramics manufacturer and supplier in China.
Not only have we mastered the fabrication technology, our strength has always been based around listening to and understanding our customer's requirements and expectations.
Continuous improvement in all areas of our business is key to our grouth. What is equally important to us is maintaining in business, our inherent family values of trust, faimess and respect to our employees, suppliers and customers.
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