Zirconia Powder (ZrO₂) is a high-purity ceramic material known for its exceptional strength, toughness, thermal stability, and chemical resistance. Available in various grades—including monoclinic, tetragonal, and stabilized zirconia (Y-TZP, Mg-PSZ)—it offers fine particle sizes suitable for advanced ceramics, refractories, and precision components.
Chat on WhatsApp：
+8615038278221Email Us：
info@rsrefractories.com
Zirconia Powder is produced from refined zircon sand through chlorination, purification, and controlled calcination processes, resulting in high-purity zirconium oxide with excellent structural reliability. Depending on the formulation, zirconia can be stabilized with yttria (Y₂O₃), magnesia (MgO), or calcia (CaO), providing enhanced toughness, wear resistance, and thermal shock resistance. Its fine particle size distribution, high density, and outstanding mechanical properties make zirconia one of the most important materials in advanced ceramics, including dental restorations, precision bearings, structural ceramics, thermal barrier coatings, and refractory applications.
（1）Yttria Stabilized Zirconia Powder
|
Item |
Classification |
||
|
3YZ-TPZ |
5YZ-TPZ |
8YZ-TPZ |
|
|
ZrO2 wt% |
84.3~84.7 |
90.6~91.0 |
86~86.4 |
|
Y2O3 wt% |
5.18~5.22 |
8.6~9.0 |
13.3~13.7 |
|
Al2O3 ppm |
＜100 |
0.05~0.45(wt%) |
0.05~0.45(wt%) |
|
Fe2O3 ppm |
＜50 |
＜50 |
＜50 |
|
SiO2 ppm |
＜200 |
＜200 |
＜200 |
|
TiO2 ppm |
＜50 |
＜50 |
＜50 |
|
Na2O ppm |
＜50 |
＜50 |
＜50 |
|
K2O ppm |
＜100 |
＜100 |
＜100 |
|
CeO ppm |
＜100 |
＜100 |
＜100 |
|
MgO ppm |
＜100 |
＜100 |
＜100 |
|
Cr ppm |
＜500 |
＜500 |
＜500 |
|
BET m2/g |
5~30 |
10~32 |
10~32 |
|
Granularity D50 μm |
＜0.5 |
||
|
PH |
6.5 |
||
|
Apparent Density g/cm3 |
1.15~1.25 |
||
(2) Partially Stabilized Zirconia（PSZ）and Zirconia Toughened Alumina（ZTA）
|
Item |
Specification |
|||
|
Ce13 |
Ce85 |
ZTA20 |
ZTA30 |
|
|
ZrO2 wt% |
86~88 |
13.5~14.5 |
18~20 |
27.4~29.4 |
|
Y2O3 wt% |
/ |
/ |
1~1.2 |
1.4~1.6 |
|
CaO % |
＜0.01 |
|||
|
MgO % |
＜0.01 |
|||
|
CeO2 % |
12~14 |
84.5~85.5 |
/ |
/ |
|
Al2O3 % |
＜0.01 |
79.5~80.5 |
69.5~70.5 |
|
|
SiO2 % |
＜0.015 |
|||
|
Fe2O3 % |
＜0.002 |
|||
|
TiO2 % |
＜0.005 |
|||
|
Na2O % |
＜0.001 |
|||
|
Cr % |
＜0.02 |
|||
|
D50 μm |
0.5~1 |
|||
|
Lgloss % |
＜1.0 |
|||
(3) High Purity Ultrafine Zirconia Powder
|
Item |
Specification |
|
ZrO2 wt% |
≥99.7 |
|
Y2O3 wt% |
/ |
|
Al2O3 ppm |
＜100 |
|
Fe2O3 ppm |
＜50 |
|
SiO2 ppm |
＜200 |
|
TiO2 ppm |
＜100 |
|
Na2O ppm |
＜50 |
|
K2O ppm |
＜100 |
|
CeO ppm |
＜100 |
|
MgO ppm |
＜100 |
|
Cr ppm |
＜500 |
|
BET m2/g |
5~15 |
|
Granularity D50 μm |
＜0.5 |
|
PH |
6.5 |
|
Apparent Density g/cm3 |
0.5~1.0 |
| Composition | ZrO2 65%; SiO2 35% |
| Real Density | 4.0g/cm3 |
| Bulk Density | 2.5g/cm3 |
| Moh’s Hardness | 8 |
| Wear Rate Per Ton | 0.03kg/h |
| Color | Milky White |
| Performance | ||
| Component | Wt% | 94.6%ZrO2,5.2%Y2O3 |
| Filled Density | Kg/l | 3.5(φ5mm) |
| 密Density | g/cm3 | ＞6.00 |
| Hardness | >1200 | |
| Elasticity Modulus | GPa | 200 |
| Thermal Conductivity | W/m.k | 3 |
| Coefficient of Thermal Expansion | 10*10-6/℃(20-400) | 9.6 |
| Crush Strength | Kgf | ＞120(φ1.5mm) |
| Bending Toughness | MPam1/2 | 8 |
| Grain Size | Um | ≤0.5 |
Zirconia Powder is widely used in:
Advanced ceramic components
Dental crowns, bridges, and implants (Y-TZP)
Precision bearings and mechanical seals
Thermal barrier coatings (TBC) for aerospace and gas turbines
High-performance refractories and kiln furniture
Oxygen sensors and fuel cell electrolytes
Grinding media (zirconia balls / beads)
Fill out the form to request a free, detailed quote.
