Blast Abrasives

GMA PremiumBlast™

The most efficient and cost-effective maintenance grade garnet abrasive, ideal for removing medium to heavy rust and industrial coatings.

GMA PremiumBlast™

55 - 75 µm

Surface profile

Up to 20 m2/hr

Blasting rate

As low as 19 kg/m2

Consumption rate

GMA PremiumBlast™

The most versatile maintenance grade garnet abrasive

Recognised as the most popular, industry standard garnet abrasive, GMA PremiumBlast is an engineered blend of alluvial garnet, designed for fast and efficient removal of resilient coatings.

Its unique properties in hardness, toughness, and density not only brings higher productivity but also superior surface finish, ensuring the highest coating adhesion and substrate integrity

Industry Applications

Oil & gas (onshore and offshore)
Tank exteriors and liners
Water and wastewater treatment
Energy generation
Shipyard maintenance and repair
Water towers

Proven performance in surface preparation


High productivity

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


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 other abrasives.


Ideal surface finish

GMA PremiumBlast™ 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.


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.


Why engineered blends perform better

GMA’s range of engineered blend garnet blast abrasives are a unique mix of coarse and fine garnet grains, achieving the optimal balance between cutting power and cleaning ability to meet a specific industry requirement.

GMA PremiumBlast™ delivers fast and effective coating and rust removal at very low consumption rate, leaving the cleanest surface ready for inspection and coating.

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

Case study

Improving productivity at lower cost

LS Engineering and Construction Co. has been providing construction and maintenance services for over 200 onshore and offshore petroleum companies for the past 20 years and uses GMA PremiumBlast™ for its high productivity.

Over several blast trials, GMA PremiumBlast™ consistently performed 1.5 times faster than other brands of abrasives, produced far less dust, and delivered a cleaner surface faster.

premiumblast case study
Contact GMA

Speak to an expert about GMA PremiumBlast™

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