Australian GMA Garnet Buying Guide
Abrasive Media Supplier of The Original Australian GMA Garnet
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Abrasive Media Supplier of The Original Australian GMA Garnet
Blastone has been working as a distributor of Australian GMA Garnet for over 35 years!
Over the last 20 years Australian GMA Garnet has become the primary abrasive used for sandblasting in Australia and New Zealand. BlastOne has helped contractors on different projects across the globe, and we understand the requirements that different projects bring. We trust this article helps you to understand what grade we recommend for your application.
While there is no such thing as a does-all sandblasting abrasive, Australian GMA Garnet comes closest. It has been the abrasive of choice for blasting multiple materials – steel, aluminium, stainless steel, glass. It has performed tasks as varied as frosting glass, cleaning up stainless steel after TIG welding, and removing corrosion on marine vessels.
Also known as the Pyrope garnet, is a versatile and durable type of garnet that is gaining popularity in the blasting industry. This garnet is known for its bright pink colour, high hardness, and ability to effectively remove surface contaminants.
An ideal choice for blasting abrasives due to its unique characteristics. Some of the key advantages of using it for blasting include:
Australian GMA Garnet™ is a strong natural mineral that outperforms other abrasives when used in conjunction with the recommended equipment and air pressure. Due to the inherent strength in Hardness, Toughness (low friability), Density and Angularity, our products perform efficiently when blasted. This results in higher productivity, minimal dust, and a cleaner, uniform surface finish, ready for coating.
1. Hardness
GMA Garnet™ has a higher relative resistance to abrade a surface compared to other abrasives.
2. Toughness
To remove surface coatings effectively, an abrasive must be tough enough to resist fracturing on impact.
3. Angularity
Angular grains produce a sharper anchor profile, whilst rounded grains produce a more even, smooth profile.
4. Density
GMA’s heavier, denser abrasive grain outperforms a less dense abrasive. GMA Garnet™ grains create a deeper, consistent anchor profile when blasted at the same pressure.
Typical blasting abrasive media is generally one-dimensional, consisting of either concentrated coarse particles or concentrated finer particles.
Having a wider particle size distribution from GMA Engineered Blends helps optimize blasting performance as they are formulated to ‘cut & clean’ faster than traditional one dimensional abrasive products. Coarser particles effectively ‘cut’ through the coating and generate the required profile depth, while finer particles ‘clean’ the anchor profile and improve the efficiency of the blasting process.
Each abrasive has a specific advantage which will weight the purchase decision in its favor. Want a regular consistent profile with no rogue peaks? Choose Australian GMA Garnet. Want a sharp angular profile for hot metal spray to lock into? Choose aluminium oxide. Wanting to blast food processing machinery and don’t want any rust stains? Choose stainless steel shot. Got a 100% recovery blast chamber and want to recycle your abrasives many times? Choose steel grit.
Standard packaging for sandblasting media includes 25kg, 1 tonne, and 2 tonne bags. BlastOne has distribution facilities throughout Australia.
Blasting rates are based on millscale removal and surface preparation. The information and performance data stated are provided as a general purpose guide. Abrasive blasting rates and consumption vary from project to project. Actual project and productivity results could be materially different from projected results expressed or implied.
The Australian GMA Garnet is an excellent choice for blasting abrasives due to its hardness, durability, low dust generation, and angular shape. With its ability to improve surface quality, increase productivity, and reduce environmental impact, versatile and powerful tool for any blasting application. If you are looking for a reliable and effective blasting abrasive, consider this incredible media.
BlastOne® Australia, supplies quality blasting abrasives, Surface Preparation and Corrosion Control equipment, in many different industries including Oil & Gas, Mining, Structural Steel Fabrication,
Water Infrastructure, Marine and Bridge Refurbishment work.
Melbourne: 1800 190 190 Adelaide: 08 8292 2000
Brisbane: 07 3329 5000 Darwin: 08 8989 6000
Mackay: 07 4968 4000 Melbourne: 03 8343 0300
Newcastle: 02 9193 9080 Perth: 08 9350 5940
Sydney: 02 9193 9000
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