Grade
4-8 mesh
- Size band
- 2.36-4.75 mm
- Blasting
- —
- Waterjet
- —
- Filtration
- Coarse support layer
- Grade page links
- Filtration
Specifications
Technical Data
Typical physical properties and chemical composition for Rummana Garnet abrasives and copper slag blasting media. Detailed grade-specific data is provided on request.
Product 1
Natural Almandine Garnet
Typical Technical Values — Garnet
| Property | Typical Value |
|---|---|
| Mineral Type | Natural Almandine Garnet |
| Garnet (Almandine) Content | ≥ 80% |
| Mohs Hardness | 7.5 – 8.0 |
| Specific Gravity | 3.8 – 4.1 g/cm³ |
| Bulk Density | 1.8 – 2.4 g/cm³ |
| Grain Shape | Sub-angular |
| Free Silica | less than 1% |
| Chloride Content | ≤ 25 ppm |
| Conductivity | < 250 µS/cm |
| Acid Solubility | < 1.0% |
| Moisture | ≤ 0.2% |
| Melting Point | approx. 1300 °C |
Typical values may vary by grade and batch. Subject to confirmation.
Typical Chemical Composition — Garnet
| Compound | Formula | Content (%) |
|---|---|---|
| Silica | SiO₂ | 39% |
| Iron Oxide | Fe₂O₃ + FeO | 25% |
| Alumina | Al₂O₃ | approx. 20% |
| Magnesium Oxide | MgO | approx. 5% |
| Calcium Oxide | CaO | 9.5% |
| Titanium Dioxide | TiO₂ | ≤ 3.5% |
Typical values may vary by grade and batch. Subject to confirmation.
Detailed sieve analysis is issued per grade against confirmed requirements - request a grade data sheet.
Grade Selection Guidance
| Grade | Size band | Blasting | Waterjet | Filtration | Grade page links |
|---|---|---|---|---|---|
| 4-8 mesh | 2.36-4.75 mm | — | — | Coarse support layer | |
| 8-20 mesh | 0.85-2.36 mm | — | — | Intermediate support layer | |
| 20/40 mesh | 850-425 µm | Heavy blasting, deep profile | — | Fine garnet layer | |
| 30/60 mesh | 600-250 µm | Standard blasting | General cutting | Fine garnet layer | |
| 50/80 mesh | 300-180 µm | — | Fine cutting | — | |
| 80 mesh | 212-150 µm | — | Precision cutting | — | |
| 120 mesh | 180-106 µm | — | Very fine cutting, thin materials | — |
Grade
8-20 mesh
- Size band
- 0.85-2.36 mm
- Blasting
- —
- Waterjet
- —
- Filtration
- Intermediate support layer
- Grade page links
- Filtration
Grade
20/40 mesh
- Size band
- 850-425 µm
- Blasting
- Heavy blasting, deep profile
- Waterjet
- —
- Filtration
- Fine garnet layer
- Grade page links
- BlastingFiltration
Grade
30/60 mesh
- Size band
- 600-250 µm
- Blasting
- Standard blasting
- Waterjet
- General cutting
- Filtration
- Fine garnet layer
- Grade page links
- BlastingWaterjetFiltration
Grade
50/80 mesh
- Size band
- 300-180 µm
- Blasting
- —
- Waterjet
- Fine cutting
- Filtration
- —
- Grade page links
- Waterjet
Grade
80 mesh
- Size band
- 212-150 µm
- Blasting
- —
- Waterjet
- Precision cutting
- Filtration
- —
- Grade page links
- Waterjet
Grade
120 mesh
- Size band
- 180-106 µm
- Blasting
- —
- Waterjet
- Very fine cutting, thin materials
- Filtration
- —
- Grade page links
- Waterjet
Other grades are available on request - contact our sales team
Product 2
Copper Slag Abrasive
High-performance blasting media produced from copper smelting by-products. Values below apply to copper slag only and are independent of the garnet data above.
Typical Technical Values — Copper Slag
| Property | Typical Value |
|---|---|
| Material Type | Copper slag blasting media |
| Grain Shape | Angular particles |
| Color | Dark brown / black |
| Mohs Hardness | ≥ 7 |
| Bulk Density | 1.9 g/cm³ |
| True Density | 3.9 g/cm³ |
| Water Content | maximum 0.2% |
| Free Silica | less than 1% |
| Particle Sizes | 5–20 / 20–40 / 40–80 / 80–120 mesh |
Typical values may vary by grade and batch. Subject to confirmation.
Typical Chemical Analysis (XRF) — Copper Slag
| Compound | Formula | Content (%) |
|---|---|---|
| Iron Oxide | Fe₂O₃ | 30 – 45% |
| Silica | SiO₂ | 25 – 35% |
| Alumina | Al₂O₃ | ≤ 3% |
| Potassium Oxide | K₂O | ≤ 5% |
| Sodium Oxide | Na₂O | ≤ 2% |
| Free Silica | SiO₂ (free) | less than 1% |
Typical values may vary by grade and batch. Subject to confirmation.
Size Selection Guidance — Copper Slag
| Mesh / Size | Typical Application |
|---|---|
| 5/20 | Coarse, aggressive blasting — thick rust and heavy coatings |
| 20/40 | Heavy surface preparation on ship hulls, tanks, and structural steel |
| 40/80 | Standard blasting with a uniform anchor profile for coating adhesion |
| 80/120 | Finer surface preparation and lighter coating removal |
Cutting & Grinding Disc Specifications
For Type 41, Type 42 and Type 27 disc sizes, grain codes and selection guidance, see the dedicated specification tables.
View disc specificationsDocumentation & Certification
Documentation is provided to support confirmed material and order requirements.
- Certificates of Origin (CoO)
- Technical Data Sheets (TDS)
- Material Safety Data Sheets (MSDS)
- Batch-specific laboratory test certificates
Grade-Specific Data on Request
Detailed sieve analysis, batch test data, and material documentation are issued against confirmed grade and order requirements. Our technical sales team can help match the right grade to your process.