Zirconia Aluminum Abrasive
Products Description
Zirconia alumina, a combination of zirconium dioxide and aluminum oxide, is frequently used for sandblasting and sanding discs. As a result, medium-to-coarse materials can be ground down with the use of coarse abrasive grain. Due to its heat-resistant qualities, zirconia alumina is often used in casting and foundries. Zirconium is more rigid than aluminum oxide, can withstand incredibly strong loads, and typically outlasts aluminum oxide goods.

Other interesting details include:
With each use, zirconia alumina self-sharpens (friability)
Effective in situations of high pressure.
suitable for tough materials like stainless steel
Sanding belts and discs contain zirconia alumina, which both seasoned and inexperienced workers find to be simple to use and long-lasting for difficult or laborious projects.
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ZA25% |
ZA40% |
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ZRO2 (%) |
24-30 |
38-44 |
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AL2O3 (%) |
68-72 |
50-60 |
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SIO2 (%) |
≤0.5 |
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TIO2 (%) |
≤1.0 |
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FE2O3 (%) |
≤0.2 |
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True Specific Gravity |
≥4.00 g/cm³ |
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Hardness |
≥9.00 Mohs |
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Melting point |
1850℃ |
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USES OF ZIRCONIA ALUMINA
For highly difficult metal, high-heat, and high-pressure materials, zirconia abrasives are a magician's dream. Getting rid of rough patches in materials like tungsten, carbon steel, stainless steel, and titanium is one of zirconia alumina's main applications. Tool steel, Cast iron, Blades, and Rotors are further materials that combine well with zirconia alumina.
Steel fabrication workplaces use alumina zirconia for high-intensity construction and grinding. They are not the ideal choice for polishing, though. They will obliterate soft metal or wood because they are just too tough and thick. Zirconia alumina is the preferred material for sanding belts and discs. This is because its grains keep sharpening with repeated usage and don't need to be replaced until the grit wears out.
Zirconia alumina can be ground at lower temperatures than aluminum oxide because it is highly friable. Despite the expensive cost, many people consider it to be worthwhile due to its durability and capacity to save time.


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