High-Purity Alumina Ceramic Powder and Granules (Al₂O₃ 99%–99.99%)

Low-temperature sintering · Controllable D50 · 20,000 t/year
Alumina Granulation powder Ultrafine powder ZTA powder Controlled D50 GB/T · ASTM

Information provided by the client; listed in no particular order.

Product overview

The manufacturer supported by FangService produces alumina ceramic granulation powder, alumina ultrafine powder and zirconia-toughened alumina (ZTA) ceramic powder, with a designed annual capacity of 20,000 tonnes. Purity grades cover 99%, 99.7%, 99.9% and 99.99%, and the median particle size D50 ranges from micron through sub-micron to nano scale. The products feature low-temperature sinterability and good mechanical and physical properties.

Technical parameters

Product formsAlumina ceramic granulation powder / alumina ultrafine powder / ZTA powder
Al₂O₃ content99% / 99.7% / 99.9% / 99.99%
Median particle size D50Micron, sub-micron and nano grades
Bulk density1.1–1.25 g/cm³ (granulation powder)
Sintering temperature1,500–1,630 °C
Fired ceramic density3.85–4.25 g/cm³ (by grade)
Forming processesDry pressing, cold isostatic pressing, slip casting, extrusion, injection, tape casting and more (12 in total)
Test standardsGB/T 24487-2022, GB/T 6609 series, ASTM C20 / C1161 / C1421

Key advantages

Low-temperature sinteringSinters at lower temperature, cutting energy cost and reducing load on kiln furniture.
Full purity ladder99% to 99.99% from one supply chain, with stable batch-to-batch quality.
Controllable particle sizeD50 available from micron through sub-micron to nano scale with narrow distribution.
Standards backedTested to GB/T and ASTM methods, supplied with full technical data sheets.

Applications

Advanced structural and functional ceramics, wear-resistant and high-temperature parts, electronic and semiconductor ceramics, chemical and environmental ceramics, and medical ceramics.

Manufacturer profile

The manufacturer supported by FangService traces its group heritage back to 1995, commissioned China's first alkoxide-hydrolysis high-purity nano alumina line in 1996, and achieved import substitution for lithium battery separator nano alumina in 2012.

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Frequently Asked Questions

Which purity grades are available?

99%, 99.7%, 99.9% and 99.99% as standard; higher purities available on request.

Which forming processes are supported?

Dry pressing, cold isostatic pressing, slip casting, extrusion, injection moulding, tape casting, hot pressing, gel casting and more.

What is the supply capacity?

Designed annual capacity is 20,000 tonnes, supporting samples, small batches and bulk supply.