ARMINAKIL BENTO · Economical foundry bentonite
BENTO ECO
A cost-conscious bentonite for foundries looking for reliable basic binder performance.
BENTO MAX typical values come from the supplied BENTOMAX analysis. ECO, PLUS and MIX show rounded MAX references only, not verified grade-specific results. Formulations and dosage require confirmation.
Product characteristics
- Basic binder performance
- Economical choice
- Suitable for simpler sand systems
Recommended applications
- Manual and low-pressure molding
- Less critical castings
- Cost-sensitive production
Industrial advantages
- Lower operating cost
- Dependable basic bond
- Simple handling
Technical specifications
ECO and PLUS figures are rounded BENTO MAX reference values only, not measurements or specifications for these grades. MIX figures refer only to the bentonite component, not the finished coal-dust blend. Grade-specific results and blend ratios require separate laboratory confirmation.
| Moisture content (%) | ≈ 9 |
| Passing 75 µm (%) | ≈ 85 |
| FSI swelling index (ml) | ≈ 34 |
| MB absorption (%) | ≈ 585 |
| 600 rpm reading (7%) (Cp) | ≈ 42 |
| 300 rpm reading (7%) (Cp) | ≈ 36 |
| Green compression strength (N/cm3) | ≈ 9.8 |
| Wet tensile strength (N/cm3) | ≈ 0.35 |
| MBA (methylene blue) (Meq/gm) | ≈ 359 |
| Durability at 550 °C (%) | ≈ 70 |
| FL (fluid loss) (ml) | ≈ 16 |
| Z (brightness) (%) | ≈ 40 |
| S.S. (settleable solids) (%) | ≈ 16 |
| Montmorillonite content | To be confirmed |
BENTO MAX: typical reference values transcribed from the supplied BENTOMAX product data sheet, not guaranteed batch specifications. Units are reproduced as printed; confirm units and suitability with the laboratory before use.
Packaging options
- 25 kg bags
- Big bags
- Bulk / customer-specific packaging on request