Yttria stabilized zirconia beads
- Data Sheet
- Description
| Chemical composition | ZrO2 95% Y2O3 5% | Size (mm) | |||||
| Real density | 6.05g/cm3 | Ø0.28-0.35mm | Ø0.35-0.45mm | Ø0.4-0.6mm | Ø3.0-3.2mm | Ø3.2-3.4mm | Ø3.8-4.0mm |
| Bulk density | 3.75g/cm3 | Ø0.6-0.8mm | Ø0.8-1.0mm | Ø1.0-1.2mm | Ø4.0-4.3mm | Ø4.3-4.8mm | Ø4.8-5.3mm |
| Moh`s hardness | 9 | Ø1.2-1.4mm | Ø1.4-1.6mm | Ø1.6-1.8mm | Ø5.8-6.3mm | Ø5mm | Ø6mm |
| Wear rate per ton | 0.01kg/h | Ø1.8–2.0mm | Ø2.0-2.2mm | Ø2.2-2.4mm | Ø7mm | Ø8mm | Ø10mm |
| Color | white | Ø2.4-2.6mm | Ø2.6-2.8mm | Ø2.8-3.0mm | Ø12mm | Ø15mm | Ø20mm |
| Package | 25kg/barrel | other sizes can be customized | |||||
Yttria-Stabilized Zirconia Grinding Media
Yttria-stabilized zirconia beads are ceramic media for grinding and dispersion in compatible mills. The range can be evaluated for suitable paints, coatings, inks, pigments, minerals, and ceramic or electronic-material formulations.
Review the listed ZrO2 and Y2O3 composition, density, hardness, diameter ranges, and wear information for the supplied grade. Select the diameter and charge according to the machine requirements and the material being processed.
Evaluate the Actual Process
Provide the mill model, feed and target fineness, slurry properties, current media, and contamination limits. Confirm chemical compatibility and assess the product result and media consumption under representative conditions.
Choosing Yttria-Stabilized Zirconia Beads
Yttria-stabilized zirconia beads are used as grinding and dispersion media in compatible milling equipment. A media review should focus on the supplied grade, bead diameter, mill arrangement, formulation, and required product specification. The objective is to establish a workable process with measured product quality and acceptable media consumption.
Composition and Listed Sizes
The original data sheet for this range lists 95% ZrO2 and 5% Y2O3, together with density, hardness, wear information, white color, packaging, and diameter ranges. Confirm the proposed grade and size distribution for the order, particularly where the product requires tight contamination limits.
Match the bead size to both the feed material and the mill’s media-retention arrangement. Review the available size ranges in the data sheet and confirm custom requirements before ordering. Changes in bead size or density should be reviewed with the machine supplier and evaluated under controlled conditions.
Grinding and Dispersion Applications
The original application list includes pigments, inks, paints, coatings, selected agricultural chemicals, ceramic materials, minerals, and electronic or battery-material formulations. Use those applications as starting points for a suitability review. Confirm the required particle-size distribution, dispersion quality, chemical compatibility, and allowable contamination for the actual product.
A low-wear ceramic grade can still contribute media-derived material to the processed product. Check the applicable specification and measure the result where purity is critical. Specialized uses require the relevant documentation and process qualification for the selected bead batch and application.
Match the Media to the Equipment
The original page discusses high-intensity or stirred mills, ball mills, and planetary ball mills. Their operating arrangements differ, so follow the instructions for the actual machine. Confirm the permitted media type, bead diameter, filling, operating conditions, and separation system before changing the charge.
Review formulation movement, temperature, process time, product quality, and the condition of the beads during a representative trial. Establish the filling and operating settings from the equipment documentation. A generic filling percentage does not define the correct charge for every mill.
Trial Records and Operating Cost
Compare candidate media using the same formulation and recorded conditions. A useful record includes the bead grade and size, charge, machine settings, processing time, achieved fineness or dispersion, and media consumption. Consider product quality and operating cost together when deciding whether to adopt a new grade.
Inspect the media and mill according to the supplied operating procedure. Keep replacement and replenishment records so that changes in the process can be investigated. Confirm handling, cleaning, and storage requirements for the selected application.
Information to Send
Provide the mill model, current media, feed and target particle sizes, slurry properties, process chemistry, contamination limits, required quantity, and any existing trial results. Inovatec can review the listed media range and the information needed for a suitable evaluation.








