Updated: 17 Feb 2025

alumina powders

Updated: 17 Feb 2025

#1

Best Choice
Summit Research Activated Alumina (7 KG) Food and Laboratory Grade (15.4 LB)

9.7

Summit Research

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Main highlights

Laboratory powder adsorbant.

High surface area, highly porous.
#2

Value for Money
WODOFULHY Scientific Research Experiments College Dedicated 99.99% Alumina Powder Alpha Gamma high Purity Alumina Powder Al2O3 Spherical Alumina Powder (100g) (300 nm)

9.6

WODOFULHY

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Main highlights

Product specifications :1 micron, spherical micron, 10 nm, 20 nm, 100 nm spherical, 300 nm, 500 nm,

Product name: Aluminum oxide powder

Product material :99.99% alumina Al2O3
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#3
5 LBS Step 4 Rock Tumbler Grit -Polish 1200 Grit Fine Aluminum Oxide Tumbler Media, Rock Polishing Grit Media, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher

9.3

SACKORANGE

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Main highlights

Universal Compatibility: Our rock tumbling media grit is compatible with all types of rock tumblers. No matter what tumbler you have, you can rely on our universal grit to deliver outstanding results.

Transform Rocks and Gemstones: Elevate your rock tumbling experience with our Stage 4 Polish grit. This 5 lb. bottle of grit is specifically designed to turn rough rocks and gemstones into stunning treasures, revealing their natural beauty.

Durable and Reusable Packaging: Packaged in durable and reusable jars, our media grit is protected from messy spills. The sturdy hard plastic jars with secure lids ensure that the grit stays safe and ready for future use.
#4
Aluminium Oxide,1 lb 50Micron

9.2

JSP

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Main highlights

Pure White

GREAT QUALITY

Best for blasting
#5
2 lbs Tumbler Media Grit,Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher,POLISH 1500 Fine Aluminum Oxide, STEP 4 for Tumbling Stones

9.0

GANGOU

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Main highlights

Use for final polishing on pre-polished rocks (Step 4)

The rock tumbling grit is packaged in a wide-mouth container

HIGH QUALITY - 2 pounds of Final Polish 1500 Fine Aluminum Oxide(POLISH)
#6
Research Grade α- Alumina Oxide Nanopowders 150-500nm Nano Aluminium Oxide Powder Alumina Nanoparticles Nanopowder with 99.9% Purity for Ceramics

8.8

XFNANO

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Main highlights

Product Name: Alpha Phase-Nano Alumina Powder

Particle Size: 150-500 nm

Appearance: White powder
#7
Aluminum Oxide - 10 LBS - Medium to Fine Sand Blasting Abrasive Media for Blasting Cabinet or Blasting Guns. #120 GRIT

8.6

Generic

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Main highlights

Use in wet or dry blasting applications.

Angular Shaped Particles Clean and Etch Surfaces

120 Grit. Blasting Media with a Mohs hardness of 9
#8
Wisesorb 7.5 LBS Activated Alumina, Alumina Desiccant, Reusable Desiccant Dehumidifier

8.5

Wisesorb

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Main highlights

【Activated alumina】has a wide variety of applications, including compressed air and gas drying. In compressed air and gas drying applications, activated alumina can achieve dew points -100°F/-73℃, depending on the dryer. It is suitable for deep drying under pressure greater than 5kg/cm2.

【Activated Alumina】which has excellent porosity creating tortuous paths and extended surface area can be used in both heated and pressure swing dryers. It has stable physical and chemical characteristics, even in high temperature and corrosive environments.

【Activated Alumina】utilize premium quality raw material with an extremely porous structure and high surface area-to-mass ratio, high strength against crushing and very stable physical and chemical characteristics, even in high temperature and corrosive environments. At 77℉/25℃, RH90%, it can absorb more than 30% of its weight in water vapor. Each bead is 3 – 5mm in size.
#9
Research Grade Gamma Phase 10-15nm Nano Aluminium Oxide Powder Alumina Nanoparticles Nanopowder with 99.9% Purity

8.4

XFNANO

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Main highlights

Product Name: Gamma Phase-Nano Alumina Powder

Particle Size: 10-15nm

Appearance: White powder
#10
Aluminum Oxide - 12 LBS - Sand Blasting Abrasive Media for Sandblasters, Sandblast Guns and Blast Cabinets (#220 (Extra Fine))

8.1

Industrial Mineral Supply

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Why we love it

Effective on multiple surfaces like glass and steel.

Provides a beautiful, professional metal finish.

Versatile for wet or dry applications.

Main highlights

Versatile Blasting Media
Premium Brown Fused Aluminum Oxide 220 Grit can clean and etch on surfaces like glass, granite, marble, ceramic, and steel, providing beautiful metal finishing.

Ideal for Specialty Materials
This aluminum oxide is perfect for tasks requiring precision and efficiency, such as etching mirrors, removing high-gloss coatings, and detailed fossil preparation.

Consistent Quality and Performance
Customers praise its ability to flow well through guns, deliver clean results, and effectively handle tasks with minimal effort.

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alumina powders

Summit Research Activated Alumina (7 KG) Food and Laboratory Grade (15.4 LB)

9.7

Main highlights

WODOFULHY Scientific Research Experiments College Dedicated 99.99% Alumina Powder Alpha Gamma high Purity Alumina Powder Al2O3 Spherical Alumina Powder (100g) (300 nm)

9.6

Main highlights

5 LBS Step 4 Rock Tumbler Grit -Polish 1200 Grit Fine Aluminum Oxide Tumbler Media, Rock Polishing Grit Media, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher

9.3

Main highlights

Aluminium Oxide,1 lb 50Micron

9.2

Main highlights

2 lbs Tumbler Media Grit,Rock Polishing Grit Media, Works with any Rock Tumbler, Rock Polisher, Stone Polisher,POLISH 1500 Fine Aluminum Oxide, STEP 4 for Tumbling Stones

9.0

Main highlights

Research Grade α- Alumina Oxide Nanopowders 150-500nm Nano Aluminium Oxide Powder Alumina Nanoparticles Nanopowder with 99.9% Purity for Ceramics

8.8

Main highlights

Aluminum Oxide - 10 LBS - Medium to Fine Sand Blasting Abrasive Media for Blasting Cabinet or Blasting Guns. #120 GRIT

8.6

Main highlights

Wisesorb 7.5 LBS Activated Alumina, Alumina Desiccant, Reusable Desiccant Dehumidifier

8.5

Main highlights

Research Grade Gamma Phase 10-15nm Nano Aluminium Oxide Powder Alumina Nanoparticles Nanopowder with 99.9% Purity

8.4

Main highlights

Aluminum Oxide - 12 LBS - Sand Blasting Abrasive Media for Sandblasters, Sandblast Guns and Blast Cabinets (#220 (Extra Fine))

8.1

Why we love it

Main highlights

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