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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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Abrasive Blasting
The Most Advanced Abrasive Blasting Media Increase productivity and achieve a cleaner finish with GMA Garnet™
Understand The New Silica Limit Do your abrasives fall within the new limit? Eliminate your silica uncertainty, download our paper to learn more.
Waterjet Cutting
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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- GMA ClassicCut™
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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Happy Australia Day

23Jan2019

GMA head office will be closed on 28th January 2019.

In conjunction with Australia Day, GMA Australian offices will be closed on Monday - 28th January 2019.
Operations will resume on Tuesday - 29th January 2019.

GMA wishes all a Happy Australia Day!

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