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GMA® Garnet Group (GMA) is the trusted global leader in industrial garnet, providing the highest quality abrasive to the waterjet cutting and protective coating industry for over 35 years.

GMA® is the only global abrasives supplier that manages the entire supply chain, from source and processing to international distribution.


GMA® Garnet is an Australian cost-effective, high-performance, environmentally friendly abrasive.

The perfect symbiosis of grain size, density and hardness/durability creates the optimum abrasive efficiency and lowest abrasive consumption. It can be recycled 5 times without losing it's superior ability. Low dusting improves health and safety for the operator and the environment.

GMA® Garnet is used for the following applications: 

  • Remove paint and wax of wood without damaging
  • Graffiti removal
  • Remove paint and rust of steel and other metals
  • Remove antifouling paint from boats and furniture cleaning
  • Shape:

    sharp / round

  • Color:

    darkred / brown

  • Hardness:

    7,0 - 7,5 Mohs

  • Specific weight:

    4,1 kgs / dm³

  • Weight:

    2,38 kgs / dm³