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    Blast Abrasives

    GMA ExtremeBlast™

    Our coarsest grade for extreme jobs. Effective removal of specialized high-build coatings of 30+mils such as TSA and coal tar.

    Industry Applications

    Proven performance in surface preparation

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    High productivity

    Cut blasting hours by 30-50% compared to slag abrasives. GMA ExtremeBlast™ performance has been demonstrated through rigorous product testing and a track record of success in applications worldwide.

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    Cost-effective blasting

    Deliver fast results at the lowest cost. GMA Garnet™ can provide significant savings in abrasive consumption, blasting hours, and disposal costs for your project. Overall, garnet sandblasting generally requires 30–50% less product than waste slag.

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    Ideal surface finish

    GMA ExtremeBlast™ achieves an exceptionally clean surface and high peak density. Our uniquely hard and tough garnet blend cuts through resilient coatings, allowing operators to prepare surfaces quickly for inspection and recoating.

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    Safe and compliant

    Have complete peace of mind knowing GMA Garnet™ meets all industry, government safety, and environmental standards. Blasting the purest, cleanest garnet means less dust, leading to better operator visibility and less worker risk.

    OUR GARNET

    Why engineered blends perform better

    GMA’s sharp, angular hard rock garnet cuts through the toughest, thickest coatings up to and above 30 mil and creates a consistent surface profile up to 4.5 mil. With the addition of fine, subangular alluvial garnet, ExtremeBlast™ removes all traces of surface embedment and contaminants. 

    This dual-action performance ensures speed and efficiency on the toughest coating removal jobs and improves blasting production rates.

    Learn more about our garnet
    Blast cost calculator

    How much money can the right abrasive save you?

    When estimating your abrasive blasting project costs, the abrasive price won’t tell the whole story.

    Forecast your profitability with an abrasive cost comparison based on independent third-party analysis. Simply provide project costs and specs, then select a GMA abrasive and an alternative

    Calculate Savings
    Abrasive_blasting-Calculator
    Contact GMA

    Speak to an expert about GMA ExtremeBlast™

    Request a product sample or onsite demo, or find your nearest GMA distributor.

    contact us
    2023-03-07-218