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Aluminum Oxide, Brown Fused Sandblasting Abrasive, COARSE Grades 8 through 240, 49 lbs or More

(4 reviews)  

SKU BTRYouPickGrade.49lbs.Coarse
Our price: $99.98
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Quantity Price
2 Items $87.50
3 Items $85.00
4+ Items $83.50
Grit Size

Due to its high toughness (low friability), brown fused aluminum oxides are recommended for use in bonded abrasives such as grinding wheels and cutoff wheels, coated abrasives (paper & cloth), sandblasting abrasives, as well as refractory applications.  Aluminum oxides are fast and effective for removing rust, mil scale, paint, carbon deposits.  Aluminum oxide media will remove deposits from your substrate at twice the speed as sand, without all the health risks.  Aluminum Oxide media is great for antiski, antislip flooring coatings and as an additive for epoxy floor systems.   All Aluminum Oxide abrasives unless specifically indicated otherwise, meet the following specifications:  AA – 59316, Type 1 – Grades A, B, C; GE Aircraft Engine Specifications D5OTF5-S9 Classes A, D and Pratt & Whitney PMC specifications.

Use this page to order Coarse Grades of our Brown Fused Aluminum Oxide Abrasives.  Minimum order is 49lbs.   If you are looking for fine grades 280 through 1200, please go to this page.  Repackaging/Processing lead times are 1-3 business days.  SPECIAL NOTE ON 49 LB BOXES!!!  Due to UPS charging high fees for boxes weighing over 50 lbs, we are shorting each box a pound or two.  This is why we are now calling our 50lb boxes "49 lb boxes".  This is the best solution we could come up with in order to get you the cheapest shipping rate possible.

LEAD TIME:  Due to ocean freight delays of up to and sometimes longer than 6 months, certain sizes may be out of stock.  So if you can take a nearby corresponding grit size that is close to your ideal size, please let us know in the Comment section of the order page. 

Shipping:  Small orders under 200 lbs ship via UPS Ground.  See details below for larger orders.

Brown Fused Aluminum Oxide Specs:

  • Obtained from a reduction fusion of high quality bauxites in electric arc furnaces
  • Very Tough: Hardness Rating of 9 on the Mohs scale; Knoop 100:  2100 kg/mm2
  • Can be recycled multiple times. Brown Fused aluinum oxide has a low friability, so it will NOT break down and shatter on impact easily.  It is often recylced in coarser sizes.  (NOTE:  White fused AO has a high friability rating and breaks down rapidly.  Sinterblast Aluminum oxide is a nice balance between the two with a medium friability, and a low price point, thus often used by powder coating companies).
  • Fast cutting, low friability
  • Brown in Color
  • Specific Gravity:   3.92 g/cc
  • Density:  Depends on grit size.  A 36 grit from example, will be about an average of 1.88 g/cm3.  Range is from an 8 grit at 2.03-2.13g/cm3 to a fine 240 at 1.56-1.70 g/cm3.
  • Toughness:   50  (ANSI-B.74.8.198)
  • Melting Point:   3668°F (2020°C
  • Alpha macro crystal from trigonal class, hexagonal system.
  • 95.6%+ Aluminum Oxide Al2O3 Typical Purity
  • All our blasting medias are new, not reclaimed.
  • Recommended by OSHA as alternative to silica sand
  • Meets AA 59316 Specs: Type 1 – Grades A, B, C; GE Aircraft Engine Specifications D5OTF5-S9 Classes A, D and Pratt & Whitney PMC specifications.

Recommended For:

  • Sandblasting - works great on metal.  
  • Grinding
  • Surface Preparation
  • Etching, Carving, Gouging: (Coarse grits like a 36)
  • Coated Abrasives
  • Monument Blasting
  • Anti Skid Flooring (Coarse grits like a 24)  Also available in white if pigmentation is an issue with your colored epoxy
  • Non Slip Grit for Epoxy and Resins  (Coarser grits 8-36 are usually used, grit size depends on your application.  So for example, if you were needing a really coarse tread for an animal packing plant where fat and grease will be all over the floor, then an 8, 10, 12, or 16 would be used, but these grits are so coarse they would be overkill for a more standard warehouse floor.  A 24 grit is a starting point for general flooring, but this really is dependent on the engineering instructions of your flooring system.)  Note that our grits are the same as in sandpaper, so going to a hardware store and looking at sandpaper grits can give you an idea of grit size only (not color or dispersion rate, etc.)

Sizing - These Are Approximations Only.  Approximations are based on using a pressure blaster on hot rolled steel, having tightly adhering mill scale, using a 90-100 psi.  Anchor patterns will vary tremendously based on other variables such as hardness & type of steel, level of corrosion being removed, blast angle, blast distance from the steel, etc.

  • 1 mil profile = 100 grit aluminum oxide
  • 1.5 mil profile = 54-60 grit aluminum oxide
  • 2 mil profile = 36-54 grit aluminum oxide
  • 2.5 mil profile = 24-36 grit aluminum oxide
  • 3 mil profile = 16-24  grit aluminum oxide
  • 4 mil profile = 12 - 16 grit aluminum oxide

Grit Sizes:  A very simplistic, non-technical way of understanding coarse grit sizes is to use a 1" mesh square as an example.  A 100 grit will have 100 tiny holes in that 1" square and thus particles are roughly 1/100th of an inch or finer.  A #8 grit will have particles of 1/8th inch, and so on.  The smaller the grit size number, the coarser the grain, which seems counter-intuitive until you use the 1 inch square mesh to better understand the concept.  A 12 grit is very coarse compared to a 220 grit.

 Shipping & Packaging Information: 

  •  Pallet Packaging: This media is generally sold by the net ton, or per 2,000 lbs.  Packaged in 50lb bags, 40 bags per pallet.  One net ton per pallet.  
  • Tote Packaging:  We can also package this in 2,200 lb super sacks. (1 metric ton)
  • 400lb Drum Packaging:  We can package media into 400lb drums for you.  4 drums per pallet or 1,600lbs/pallet.  Please request this when you ask for a quote. Yes, we can ship a single drum if that is all you need.
  • Discount Pricing:  Please use our Quote Request form to obtain custom pricing on larger quantities, with freight.  Remember to tell us your ship-to address and the total number of lbs or tons you want a bid on.
  • Loading Dock:  Generally, you need to have a commercial address with loading dock to receive orders over 200lbs.  If you do not, we can ship it to a local terminal and you pick it up yourself from the terminal. We can also ship to a residential address, but this is very costly and not recommended.

What Is Friablity?  Short Answer:  How easily/quicky a media shatters on impact and breaks down.  This is different from Hardness Rating.  Sandblasting medias can have the same hardness rating, but completely different Friability Ratings.  Think of Friability as durability.  

  • Brown Fused Aluminum Oxides have a LOW friability, so it will break down slowly, is very durable, and coarser sizes can be recycled and reclaimed.
  • White Fused Aluminum Oxides have a HIGH friabilty, but the SAME HARDNESS rating (in general) of Brown Fused Aluminum Oxides.  Low durability.  It will shatter on impact and break down quickly, without doing as much damage/impact to the substrate.
  • Sinterblast, or Sintered Aluminum Oxide has a MEDIUM friability.  Think of it as the middle ground between Brown Fused and White Fused.  It can be recycled in coarse sizes, but will not have the long life of a Brown Fused AO.  It is often preferred by powdercoating companies due to its lower cost.  If you are just taking off mil scale prior to coating, this is a great media to try out.  THIS IS WHY YOU BLAST SINTERBLAST AT A 60 PSI WITH THIS MEDIA.  ANYTHING HIGHER AND YOU WILL NOT ACHIEVE GOOD RESULTS..

You Might Also Like Our More Economical Sinterblast Media

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Average customer rating:
(4 reviews)  

4 Most useful customer reviews (see all reviews):
Mar 17, 2010
This customer purchased the item at our site.
Great for paint prep lasts long time
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Oct 6, 2023
Used for cleaning old wheels good stuff

Advantages: works
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May Germaine
Apr 17, 2013
This customer purchased the item at our site.
Hubby says it works well

Advantages: 25lb boxes are all I can carry, nice to not have smaller quantity options.
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Jackie Thompson
Dec 17, 2013
for my husband's shop

Disadvantages: no complaints he was happy
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