Alumina Toughened Zirconia Beads
- Data Sheet
- Description
| Chemical composition | ZrO2 10% SiO2 30% Al2O3 60% | Size (mm) | |
| Real density | 3.2g/cm3 | Ø0.6-0.8mm | Ø0.8-1.0mm |
| Bulk density | 2.2g/cm3 | Ø1.0-1.2mm | Ø1.2-1.4mm |
| Moh`s hardness | 8 | Ø1.4-1.6mm | Ø1.6-1.8mm |
| Wear rate per ton | 0.08kg/H | Ø1.8-2.0mm | Ø2.0-2.5mm |
| Colour | White | Ø2.5-3.0mm | |
| Package | 25kg/barrel | Other sizes can be customized | |
Composite Ceramic Grinding Media
This bead range is listed for grinding and dispersion in coatings, paints, pigments, inks, ceramics, and mineral-processing applications. Assess the grade against the mill, formulation, required fineness, and permitted media-derived contamination.
The data sheet lists an alumina-rich composition with zirconium oxide and silica. Use the exact composition, density, hardness, and size range when comparing grades. Confirm the material designation and current specification for the batch you intend to order.
Application Review
Candidate materials include titanium dioxide, kaolin, calcium carbonate, zirconia powder, and selected electronic-ceramic or other chemical formulations. Evaluate the slurry, process chemistry, bead wear, and achievable particle-size distribution with representative material.
Select the diameter and filling arrangement according to the mill manufacturer’s requirements. Provide the feed size, target fineness, slurry properties, mill model, current media, and contamination limits for a quotation or sample evaluation.
Related Products
Selecting Composite Ceramic Grinding Beads
Composite ceramic beads are used as grinding media to transfer mechanical energy to material inside a compatible mill. Their suitability depends on the bead grade and the complete process. A grinding-media selection should start with the material being processed, the mill arrangement, and the required product specification.
Confirm the Grade and Composition
The original data sheet for this range lists 60% Al2O3, 30% SiO2, and 10% ZrO2. Compare this specific composition rather than treating all alumina- and zirconia-containing beads as equivalent. Confirm the material designation, supplied diameter range, and batch documentation when placing an order.
The listed density, hardness, wear entry, color, and package information are retained in the data sheet. Request the measurement method and test conditions when using wear data to compare media. A result from one test does not establish a replacement interval for a different mill or formulation.
Match the Beads to the Mill
The original application description identifies vertical and horizontal mills, stirred or agitated media mills, and planetary ball mills. Compatibility must be checked for the actual machine and chamber arrangement. Follow the mill manufacturer’s limits for bead size, density, filling, operating speed, and product separation.
Select bead diameter with the feed material and required fineness in mind. Review the mill’s retention or separation system and allow for media wear during operation. Establish the charge and operating conditions through the machine instructions and a controlled process trial.
Evaluate Product Quality and Wear
For coatings, pigments, inks, ceramics, or mineral slurries, assess the required particle-size distribution, dispersion quality, temperature, media consumption, and possible contamination. Compare candidate beads using the same formulation and recorded operating conditions. Check the processed product against its acceptance specification before adopting the grade for production.
A useful trial record includes the bead grade and size, mill settings, material feed, processing time, product result, and media condition. Use those results to assess operating cost and quality together. Avoid assuming a fixed service-life advantage from the material name alone.
Information for a Media Review
Send the mill model, current bead grade and size, feed and target particle sizes, slurry properties, process chemistry, contamination limits, and required quantity. Where samples are available, include the current result and the improvement you need. Inovatec can use this information to review the listed grade and a suitable evaluation plan.