GMA PremiumBlast 30/60 Garnet Abrasive Media for Sandblasting


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GMA PremiumBlast is our fast cleaning general purpose abrasive. Suitable for tanks, piping, pressure vessels, ship hulls, ballast tanks and offshore platform decking.

Coating Thickness: 10-15ml
Profile: 3.0-3.75 ml



  • Efficiently produces surface profile from 3.0 – 3.75 mil (75 – 95 µm)
  • Blasting rates : Up to 340 ft²/hr (33 m²/hr )
  • Consumption rate : 1.5 – 3.0 lb/ft² (7.32 – 14.65 kg/m² )
  • Dust factor: Low
  • Recyclability: 5/10
  • Mesh sizes:  30/60
  • Packaging: 2 Tonne Bulk Bag, 2200lb bulk bag, 4400lb bulk bag, 55lb bag on 2200lb skid, 55lb bag on 4400lb skid
  • MilSpec Approved Abrasive
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Why blast with GMA Garnet Blasting media?

All-around abrasive blast media. Australian Garnet Blasting media is the ideal size, density, hardness, shape, and geometry for efficient sandblasting and rust removal. General industrial maintenance. For removal of coatings and medium-to-heavy rust. As a result it is ideal for the following types of project…

  • Construction and maintenance of chemical plants.
  • Power stations.
  • Mining plant and processing equipment.
  • Gas plants.
  • Sewerage plants.
  • Desalination plants.
  • Tanks, piping, pressure vessels.
  • Ship hulls, ballast tanks.
  • Offshore platform decking.

Light general industrial maintenance. Construction and maintenance of commercial buildings, chemical plants, power stations, mining and processing equipment, gas and sewerage plants, desalination and industrial plants.

High performance abrasive blasting.

GMA Garnet Abrasive media is a naturally occurring mineral abrasive, low in free silica and heavy metals. Therefore it is safe to use and handle. Low consumption rates reduce abrasive and disposal costs. GMA’s particle size provides a blasted surface profile. Making it suitable for most high-performance paint coating systems. GMA Garnet will blast faster than steel grit, providing higher productivity. As a result, it has a lower cost per square metre of blasted surface.

Low Dust/Low Mud Abrasive Blasting.

GMA Garnet contains virtually no fines. Consequently it does not emit clouds of dust when used dry or mud when used wet. GMA Garnet is suitable for all wet blasting systems. This includes systems such as Graco Ecoquip, Torbo and Amphiblast.

International Standards Compliant Blasting Media

GMA Garnet complies with all relevant International Standards. This includes ISO11126 and ISO11127. GMA Garnet sand has very low/negligible free silica. It also has extremely low levels of soluble chlorides. Traceable compliance test certificates are available for every batch.

GMA Garnet, brought to you by BlastOne

BlastOne has a complete range of blasting supplies and abrasive blasting equipment. This includes abrasive blasting systems, abrasive blasting media and industrial coating systems.