95 zirconia beads have good roundness, smooth surface, high density, and good hardness, making them a perfect and fine spherical grinding medium. It has the characteristics of stability, resistance to strong acids and alkalis. Has excellent toughness, compressive strength, impact resistance, and does not break. Low wear (ppm level), minimal wear on equipment, making it the best grinding medium.
I. Core Physical Properties and Technical Advantages
Ultra-high Vickers hardness for efficient surface treatment:
95 sandblasted zirconia beads feature a Vickers hardness exceeding 1250, enabling them to effectively remove rust, oxide scales, and old coatings on metal surfaces. Compared with conventional abrasives (e.g., silica sand with a hardness of 700-900 HV), their high hardness allows for faster material removal rates-tests show that zirconia beads can reduce rust removal time by 40% on carbon steel surfaces.
High-density kinetic energy for intensive sandblasting:
With a density >6.0 g/cm³, the beads generate strong kinetic energy during sandblasting, rapidly breaking down material aggregates. This makes them particularly suitable for high-intensity scenarios such as automotive parts (e.g., cylinder head deburring) and aviation components (turbine blade surface treatment), where they can handle tough materials like stainless steel and titanium alloys.
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(Density) >6.05g/cm3 |
|
(Bulk denity) >3.7g/cm3 |
|
(Vickers hardness) >1250 |
|
(Compressive strength)>1000N(1mm) |
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(Self consumption) <0.01% |
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(Sphericity) 99% |
2. Size range(mm)
|
0.3-0.35 |
0.35-0.40 |
0.4-0.5 |
|
0.6-0.7 |
0.7-0.8 |
0.8-1.0 |
|
1.0-1.2 |
1.2-1.4 |
1.4-1.6 |
|
1.6-1.8 |
1.8-2.0 |
2.0-2.2 |
|
2.2-2.4 |
2.4-2.6 |
2.8-3.0 |
|
3.0-3.2 |
3.8-4.0 |
5 |
|
6.5 |
7 |
8 |
|
10 |
12 |
15 |
|
17 |
20 |
25 |
|
30 |
35 |
40 |
3. Comprehensive Advantages in Metal Surface Treatment
|
Advantage Category |
Technical Performance |
Impact on Application |
Specific Data & Cases |
|
Surface roughness control |
High roundness (sphericity >98%) |
Forms uniform roughness (Ra 2.5-5μm) on workpieces |
In automotive panel sandblasting, zirconia beads create a surface with 30% more uniform roughness than garnet sand, improving paint adhesion by 25%. |
|
Low wear & equipment protection |
Self-abrasion <1 PPM |
Reduces sandblaster inner wall wear by 80% |
In a continuous operation test of 500 hours, zirconia beads caused only 0.02mm nozzle wear, while glass beads showed 0.15mm wear. |
|
Kinetic energy efficiency |
Density-driven high momentum |
Shortens sandblasting time by 30-50% |
For aluminum alloy wheel hub deburring, zirconia beads complete the process in 8 minutes, compared to 15 minutes with quartz sand. |
4. Application Scenarios in Key Industries
Automotive manufacturing:
Used for sandblasting engine blocks, gear housings, and wheel hubs to remove casting residues and prepare surfaces for painting. The uniform roughness enhances paint bonding, reducing peeling risks in harsh environments (e.g., salt spray resistance tests show 500 hours without coating failure).
Aerospace industry:
Applied to sandblasting titanium alloy turbine blades and aircraft fuselage components, where high hardness ensures efficient oxide scale removal without causing micro-cracks. The low wear rate meets aerospace-grade cleanliness requirements (particle contamination <0.1mg/m²).
Heavy machinery maintenance:
Ideal for restoring rusted surfaces of construction equipment (e.g., excavator buckets) and marine steel structures. The high-density impact can remove 1mm-thick rust layers in one pass, whereas conventional abrasives require 2-3 cycles.
IV. Comparative Analysis with Traditional Abrasives
|
Indicator |
95 Zirconia Beads |
Silica Sand |
Garnet Sand |
Aluminum Oxide |
|
Vickers hardness |
>1250 HV |
700-900 HV |
650-800 HV |
1100-1300 HV |
|
Density |
>6.0 g/cm³ |
2.65 g/cm³ |
4.0 g/cm³ |
3.9 g/cm³ |
|
Sphericity |
>98% |
60-70% |
75-85% |
80-90% |
|
Wear rate |
<1 PPM |
50-100 PPM |
20-30 PPM |
10-20 PPM |
|
Suitable materials |
Stainless steel, titanium alloy, aluminum |
Carbon steel, wood |
Non-ferrous metals |
Hard alloys |
Conclusion
With a Vickers hardness exceeding 1250, density >6.0 g/cm³, and self-abrasion <1 PPM, 95 sandblasted zirconia beads combine high-efficiency surface treatment, precise roughness control, and low equipment wear. Their superior performance in automotive, aerospace, and heavy industry applications makes them the preferred medium for modern metal surface treatment, outperforming traditional abrasives in both efficiency and durability.
Contact us
Tina
Mob : 86 18636559668
Email :tina@fudanewmaterial.com
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