Duralox Alumina Grinding Media
Sintered high-purity alumina media, 92% to 99.7% Al₂O₃.
A complete family of sintered alumina (Al₂O₃) media spanning 92% (92W) to 99.7% (997) purity and densities of 3.6–3.9 g/cm³. Available as beads, balls and cylinders from 0.5 to 50 mm, Duralox combines 9 Moh hardness with controlled wear for economical, contamination-resistant grinding in both bead and ball mills.
One alumina family, every job in the plant.
Two grades, one family
Bead through to ball
Hard & economical
- Material Sintered high-purity alumina (Al₂O₃)
- Alumina content 92% (92W) to 99.7% (997)
- True density 3.6 – 3.9 g/cm³
- Hardness 9 Moh
- Size range Ø 0.5 – 50 mm
- Forms Beads, balls & cylinders
- Colour White
- Wear Controlled, low wear
- Mill type Bead mills, ball mills & attritors
Where Duralox earns its place
Where Duralox earns its place
Compare the range
Zirconox
Zircosil
Duralox
Mill Lining
FAQ
Frequently asked questions
What is the difference between Duralox 92W and Duralox 997?
Duralox 92W is 92% alumina for everyday, economical grinding. Duralox 997 is 99.7% alumina for maximum purity and wear resistance where contamination is critical.
What sizes and forms does Duralox come in?
Duralox is available as beads, balls and cylinders from Ø 0.5 mm to 50 mm – micro beads for bead mills through to 50 mm balls for traditional ball mills – with a density of 3.6–3.9 g/cm³ and 9 Moh hardness.
Where is alumina grinding media used?
Paints and coatings, printing inks, ceramic bodies and glazes, minerals and fillers, electronic ceramics, catalysts and laboratory milling.
Can I buy Duralox alumina media in Australia or New Zealand?
Yes. Email sales@kpm.com.au or call (02) 9672 3222 with your mill type, chamber volume, material and current media and we will recommend the right grade, size and charge with Australia/New Zealand pricing.