About GMA
The Trusted Global Leader in Industrial Garnet Providing the Highest Quality Abrasives for Over 35 Years
From Mine to Customer
We manage the complete supply chain from mining and processing to distribution and sales throughout more than 80 countries.
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Our Responsibility
We Strive to Make a Difference Living by Our Values of Care, Trust, Excellence and Teamwork
At GMA We are uncompromising in the safety of our people and our products, managing our natural resources responsibly and actively providing support to our communities.

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Blasting Abrasives
The Most Advanced Abrasive Blasting Media Increase productivity and achieve a cleaner finish with GMA Garnet™
TruCost Abrasive Blasting Calculator How much does your blasting abrasive really cost you, and how much could you save with GMA Garnet™?

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Waterjet Cutting
Precise, Powerful Waterjet Cutting Prevent Downtime and Maximize Production
What should you look for in your waterjet garnet?
Explore the advantages of pure, consistently high quality garnet for your waterjet cutting projects.

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Specialty Applications & Minerals
More than just garnet
GMA Garnet's unique grain characteristics in hardness, toughness, density and angularity make it a prime candidate for a variety of industrial and commercial applications.

We also have a range of rare earths and precious minerals in our tailings available to purchase.
Garnet Disposal
Info Hub
Your Source for GMA Resources and News Explore Our Videos, News and Event
Solutions from Our Experts
Discover the latest in abrasive technology and information.
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Waterjet Parts

Browse Our Full Range of Supplies for Waterjet Cutting and Filtration

GMA Americas offers a complete range of products for waterjet cutting and water filtration. Through strategic partnerships with global waterjet equipment manufacturers, we provide technical support and distribute machine replacement parts apart from garnet.

*Please contact your respective regional sales representatives as some waterjet parts are only available in certain regions.

Roctec Nozzles

20% greater nozzle life than the industry-leading ROCTEC 500 waterjet series, which already outperforms other tungsten carbide nozzles. Available at GMA.

Orifices

An extensive range of waterjet orifices. Ruby, sapphire, tetraCORE & diamond orifices. Get the flexibility to mix and match types of orifice styles & sizes.

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