Product Description
GMA PremiumBlast™ #3060 (30/60 mesh) is an engineered alluvial almandine garnet abrasive. It is an industry-standard medium-coarse abrasive designed for general purpose applications, including the removal of medium-to-heavy rust and moderate-thickness coatings.
Performance Characteristics
- Surface Profile: 55 – 85 µm (2.2 – 3.4 mils)
- Blasting Rate: 18 – 32 m²/hr (195 – 345 ft²/hr)
- Consumption Rate: 12 – 18 kg/m² (2.5 – 3.7 lbs/ft²)
Physical Properties
- Hardness: 7.5 – 8.0 Mohs
- Specific Gravity: 4.1 g/cm³
- Bulk Density: 2.3 g/cm³ (143 lbs/ft³)
- Melting Point: 1250°C (2250°F)
- Shape: Sub-angular
- Chloride Content: < 10 – 15 ppm
- Conductivity: 10 – 15 mS/m (100 – 150 µS/cm)
- Moisture Content: < 0.5% (Non-hygroscopic)
- Color: Reddish brown
Mineral Composition
- Almandine Garnet: > 97%
- Ilmenite: < 2.0%
- Quartz (Free Silica): < 0.1%
- Others: < 1.0%
Chemical Composition
- Silicon Dioxide (SiO₂): 36%
- Iron Oxide (Fe₂O₃ + FeO): 33%
- Aluminium Oxide (Al₂O₃): 20%
- Magnesium Oxide (MgO): 7%
- Calcium Oxide (CaO): 1%
- Titanium Dioxide (TiO₂): 1%
Packaging
- 25 kg (55 lbs) paper bags on 1-tonne or 2-tonne pallets
- 1-tonne or 2-tonne bulk bags with bottom spout and plastic liner
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