Bentonite
Swelling clay with binding, adsorbent and mineral support capacity.
- Family
- Functional mineral
What it is
Bentonite
Natural clay rich in smectite-group minerals, especially montmorillonite. Its defining feature is high absorption, swelling and cation exchange capacity, which explains its use as binder, adsorbent and mineral support.
What it delivers
- Binder for granules, pellets, fertilisers and mineral blends.
- Adsorbent: retains water, cations and certain organic compounds.
- In sandy soils and substrates it can improve water retention and exchange capacity.
- Component for pellets, carriers, formulations and animal nutrition, subject to quality and registration.
Applications
Applications
- 01
Binder for granules and pellets.
- 02
Mineral adsorbent.
- 03
Carrier or support in formulations.
- 04
Improved retention in blends and substrates.
- 05
Agro-industrial use in mineral products.
How it works
How it works
Not all bentonites are alike: sodium, calcium and activated grades behave very differently. Each agricultural use requires a defined bentonite type, swelling capacity, moisture, particle size, cation exchange capacity, heavy-metal content, end-use compatibility and applicable registration. Retention benefits should not be generalised to every soil.
- 01
Montmorillonita
Expandable 2:1 layered clay
- 02
H₂O
Swelling, sealing and moisture retention
- 03
CIC
High cation exchange capacity
- 04
Adsorción
Holds nutrients and clarifies liquids