Zirconia bead grinding/sandblasting medium, sintered from imported yttria stabilized zirconia powder, has high compressive strength and wear resistance. Due to its high density, high compressive strength, and relative inertness to most non acidic fluids, zirconia beads can be more effectively used in high-speed agitator mills and horizontal mills.
1. SPECIFICATION
|
Chemical composition |
ZrO2 95% Min. Y2O3 4.5% Min |
|
Density |
6.0g/cm³ Min. |
|
Specific density |
3.7g/cm³ Min. |
|
Moh's hardness |
9 |
|
Impact Strength |
2.0KN (2mm) |
|
Compressive Strength |
5500MPa |
|
Modulus of Elasticity |
200Gpa |
|
Thermal Expansion Coefficient |
9.6 (20-400℃ ) |
|
Compressive strength |
2300KN (Φ2.0mm) |
|
Package |
25kg/barrel |
2 . 95 zirconia sandblasting beads have achieved process upgrades in three core areas with their characteristics of "high precision, low pollution, and high efficiency":
1. In the field of electronic manufacturing: Zirconia sandblasted beads are used in the production of 5G communication devices, with 30-50 micron beads used for surface activation treatment of ceramic antenna covers. By precisely controlling the sandblasting pressure (0.2-0.4MPa) and time (10-30 seconds), a nanoscale rough structure can be formed on the ceramic surface, which increases the adhesion of the subsequent metalized coating by three times and ensures the stability of RF signal transmission. A certain chip packaging company used this bead to treat the surface of the lead frame, and the defect rate of solder pads decreased from 1.2% to 0.3%, significantly improving product yield.
2. In the field of medical devices, 60-90 zirconia microspheres are widely used for sandblasting of orthopedic implants. Taking artificial hip joints as an example, after sandblasting, pits with an average depth of 50 microns are formed on the surface of titanium alloy. Combined with hydroxyapatite coating technology, the adhesion rate of bone cells can be increased by 45%, promoting postoperative bone integration. At the same time, the metal free ion precipitation characteristics of zirconia beads meet the biocompatibility requirements of ISO 10993, avoiding the risk of residual nickel and chromium ions caused by traditional steel sand and ensuring the safety of implants.
3. Aerospace field: In the repair of aircraft engine blades, zirconia beads are used for fatigue layer removal and surface strengthening. By using supersonic sandblasting (speed ≥ 300m/s), micro cracks on the blade surface can be effectively eliminated, while introducing residual compressive stress (≥ -400MPa), which can increase fatigue life by more than 20%. A comparative experiment conducted by a certain airline showed that blades treated with zirconia sandblasting beads reduced crack propagation rate by 35%, extended maintenance cycle to 1.5 times that of traditional processes, and significantly reduced aviation operating costs.
3 . Contact us
Fuda Ceramic bead is one of the five major factories in China, with strong strength and a good reputation in the industry. The product has been sold to multiple countries including the United States, United Kingdom, Canada, Russia, India, Pakistan, etc., enjoying a wide international market. Our annual production reaches 20 million tons, ensuring sufficient supply to meet market demands.
In terms of product flexibility, the particle size of our ceramic beads can be customized to cater to the diverse requirements of different customers and processes. Our factory takes pride in its ability to deliver on time, ensuring that your production schedules are not disrupted. We also accommodate various trading methods, including EXW, FOB, and CIF, providing you with flexible options to suit your business needs.
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