#100 Grit Aluminum Oxide Blast Media (8 LBS) - Durable Abrasive

Our review looks at the #100 Grit Aluminum Oxide Blast Media in an 8 lb bucket and concludes it is best for professionals and hobbyists who need a highhardness, longlasting abrasive for rust removal and surface texturing. In this review the single biggest reason to buy is its combination of Mohs 9 hardness and longer cycle life, which delivers faster cleaning and less frequent media replacement compared with softer media. The packaged bucket also makes transport and storage practical for bench or portable blasting setups.

Key Features

• High hardness: Brown fused aluminum oxide rates about 9 on the Mohs scale, so it etches and cleans hard surfaces like glass, ceramic and steel quickly and effectively.
• Long lasting: The media resists breakdown so it lasts far longer than silica, reducing the need for frequent replacement and lowering ongoing cost of use.
• Versatile use: It can be used wet or dry for different blasting techniques, giving flexibility for metal preparation, stone etching, or finishing tasks.
• Eco friendly: The product contains no free silica and is made from recycled material, addressing safety and environmental concerns in many shops.
• Convenient packaging: Supplied in a sturdy white bucket that prevents leaks and is easy to carry, making it simple to store and transport to job sites.

Who It's For

The #100 grit aluminum oxide media is aimed at mechanics, metalworkers, restorers and serious DIYers who need a durable abrasive with strong cutting action for rust removal, paint stripping and preparing surfaces for coatings. Its hardness and longevity suit blasting cabinets, portable blasters and guns used on a range of substrates from steel to stone.

Those who should look elsewhere include users who need a very fine, nonaggressive finish or a disposable lowcost onetime media; if ultrafine polishing or extremely low cost per use is the priority, other media types may be a better fit.

Pros & Cons

Pros

• High abrasive force delivers fast rust removal and reliable surface etching.
• Longer cycle life than silica and many alternatives, which reduces replacement frequency.
• Low dust levels and recycled composition improve workshop cleanliness and environmental profile.

Cons

• Its aggressiveness can be too harsh for delicate finishing, requiring care on thin or soft materials.

Specifications

Product	#100 Grit Aluminum Oxide Blast Media
Net weight	8 LBS (3.6 kg)
Grit	#100
Material	Brown fused aluminum oxide
Hardness	About 9 on Mohs scale
Use	Wet or dry blasting; suitable for metal, glass, stone, ceramic
Packaging	High quality white bucket

Our Verdict

For professionals and committed hobbyists who need a powerful, longlasting abrasive, the #100 grit aluminum oxide in an 8 lb bucket is a practical, costeffective choice that speeds rust removal and surface preparation while reducing media turnover. It is good value when durability and abrasive performance are the priorities, but users handling delicate finishes should test on scrap first.

Frequently Asked Questions

Is this media safe to use in enclosed blasting cabinets?
Yes, it is suitable for cabinet use and produces less dust than some alternatives, but appropriate dust collection and PPE are still required.

Can I use this media wet for profiling or etching?
Yes, the media can be used wet or dry, which helps control dust and can change the finish produced on stone or metal.

Does the product contain free silica?
No, the product is supplied with no free silica and is made from recycled aluminum oxide.