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Mineral Abrasives
Garnet
A silicate mineral of varied composition, red to brown in colour, formed as a sharply angular rhombic dodecahedron — a polyhedron of twelve diamond-shaped faces.
Features
- Higher density and hardness than low-cost abrasives such as silica sand, slag or steel grit — faster working speed
- A natural combination of almandine garnet and other minerals, with free silica below 1%
- Non-toxic, with no risk of silicosis
Applications
- Removal of surface contamination and pre-treatment for painting
- Waterjet cutting
Specification
Grades
Abrasive Garnet — Composition (%)
| SiO₂ | Al₂O₃ | Fe₂O₃ | MgO | CaO | TiO₂ |
|---|---|---|---|---|---|
| 46 | 10 | 11 | 7 | 14 | 6 |
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Abrasive Garnet — Properties
| Specific Gravity | Density | Hardness | Melting Point |
|---|---|---|---|
| 3.40 g/cm³ | 1.75 T/m³ | MOHS 6.0 ~ 6.5 | 1250℃ |
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Waterjet Garnet — Composition (%)
| SiO₂ | Al₂O₃ | Fe₂O₃ | MgO | CaO | TiO₂ |
|---|---|---|---|---|---|
| 38 | 10 | 22 | 5 | 12 | 1 |
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Waterjet Garnet — Properties
| Specific Gravity | Density | Hardness | Melting Point |
|---|---|---|---|
| 3.90 g/cm³ | 1.9 T/m³ | MOHS 7.5 ~ 8.0 | 1250℃ |
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Particle Size by Grade
| Grade | Size |
|---|---|
| #10-20 | 0.80 ~ 2.36 mm |
| #16-20 | 0.80 ~ 1.50 mm |
| #20-40 | 0.40 ~ 1.20 mm |
| #30-60 | 0.25 ~ 0.80 mm |
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Datasheet
Product Sheet
Tell us your process — we'll match the media
Share your substrate and process and we will recommend the right abrasive and grade. Special-purpose media are developed to order.