Bentonites for construction
Bentonite for construction purposes is selectively mined and technologically processed to utilize its exceptional geological properties. These bentonites are characterized by high swelling capabilities, impermeability of mixed and compacted layers, and sealing effects in the rehabilitation and construction of reservoirs, waterworks, and landfills. Furthermore, construction bentonites are used as suspensions in drilling operations, for strengthening unstable subsoils, for deep foundation, etc. The specific properties of these bentonites allow for their further use as a plasticizing additive in pasty materials, plasters, mortars, and concretes.
Packaging and shipping
- In 25 kg bags (40 pcs. per pallet) / 48 kg (21 pcs. per pallet) in shrink film.
- Loosely loaded in RAJ series tankers or in silo trucks.
- In 1 ton big-bags.
- Storage is unlimited in dry environments.
Technical information parameters
| Product | Moisture content (%) |
Rest on sieve 0,315 mm (max. %) |
Rest on sieve 0,063 mm (max. %) |
Grain size (mm) |
pH |
| Bentonit 75 | 3 - 12 | 1 | 30 | - | - |
| Ekobent B | 3 - 7 | - | - | 0 - 2 | 7,5 – 9,5 |
| Bentonit GAE | 7 - 14 | 1 | 30 | - | min. 10 |
Non-activated bentonite
This group consists of dried and ground 100% natural calcium-magnesium bentonites originating mainly from North Bohemian mining sites.
Bentonit 75
- Micro-ground buffer for increasing soil impermeability, plasticizing additive for mortars, plasters, concretes and ceramic materials.
- High swelling capacity and sealing effects.
Ekobent B
- Fine-grained preparation, usable for sealing building foundations, water tanks or subsoil. Packaging is only possible in large-volume big-bags (approx. 1 ton).
- Excellent sorption and sealing capabilities.
Activated bentonites
These bentonites are produced from selectively mined, homogenized, gently dried and ground raw materials. Activation exchanges natural calcium and magnesium ions in the crystal lattice for sodium ions, thereby achieving a significant improvement in the rheological properties of bentonite.
Bentonit GAE
- The product is intended for demanding work in the construction industry (injections in unstable substrates, construction and sealing of waterworks).
- When in contact with water, it exhibits high absorption and swelling (21.8 ml / 2g). Liquid limit 310%.
