Stone, marble and ceramic waterjet abrasives
Using GMA Garnet™, beautiful and complex designs are produced at high speed without chipping or breakage.
Unmatched waterjet cutting performance
GMA Garnet™ is the recognized industry standard among manufacturers of waterjet cutting machinery, delivering complex designs at the highest possible cutting speed without breakage.
Fast and consistent
Operate with high cutting speeds and maintain a consistent production rate, and minimal downtime. GMA's hard, clean, pure garnet keeps you on target to achieve deadlines.
Precision cutting
Reduce the risk of cracks or breakage with GMA Garnet, due to it's unique grain hardness and tight grading. Reliably make the highest quality cuts with less refinishing.
Reliable supply
Run cutting operations uninterrupted with reliable access to the abrasives you need, thanks to our 100% owned mine-to-customer global supply chain.
Waterjet expertise
GMA’s technical experts are from the waterjet industry, and know the waterjet cutting business. We work with you to streamline your operation and overcome any production challenge.
What makes GMA Garnet unique?
GMA Garnet™ is a strong, natural mineral that outperforms other garnets due to its unique properties, and our advanced processing methods refined over 40 years. Unique grain hardness, toughness, density, and angularity ensure perfect edge quality on any material with a thickness of up to 30 inches.
Waterjet abrasives range
GMA offers an extensive range of waterjet garnet that optimizes your production by balancing cutting speed and edge quality.
GMA ClassicCut™ 60
Our coarsest alluvial garnet for the most challenging waterjet operations including thick, brittle, or hard materials such as titanium, steel, and tungsten.
Mesh
60 mesh
Focusing tube
1.27 mm
Orifice
0.407 - 0.457 mm
GMA ClassicCut™ 80
The trusted, most versatile waterjet abrasive choice for precise waterjet cutting. Delivers the optimum balance of cutting speed and precision edging.
Mesh
80 mesh
Focusing tube
0.762 - 1.02 mm
Orifice
0.254 - 0.356 mm
GMA ClassicCut™ 120
High-precision alluvial almandine garnet abrasive for waterjet cutting with high edge quality and accuracy on delicate or tight tolerance parts.
Mesh
120 mesh
Focusing tube
0.508 - 0.762 mm
Orifice
0.178 - 0.254 mm
Palace of the Nation – Qasr Al Watan
GMA was entrusted by Mosart Marble to supply garnet abrasive and waterjet cutting consumables for the entire project. “I can see the quality difference in the cutting and finishing and there was hardly machine downtime during the trial”
Confidence in every cut
Learn more about what makes GMA Garnet unique, and why it's the industry standard in waterjet cutting abrasives.
Increase your uptime with GMA Garnet™
Discover how garnet abrasives will improve productivity and reduce your bottom line today.