Elementis BENTONE B4000 High‑performance Organoclay, Strong Thixotropy Rheology Anti‑settling Additive for Premium‑grade Coatings & Printing Inks
Elementis BENTONE B4000 High‑performance Organoclay, Strong Thixotropy Rheology Anti‑settling Additive for Premium‑grade Coatings & Printing Inks
Full name & product positioning
Full product name: BENTONE B4000 High‑performance Organo‑modified Hectorite.
Premium‑grade conventional‑activated organoclay with refined modification treatment. Fine particle size and balanced gel network for high‑end industrial coatings, premium printing inks and automotive primers, balancing anti‑settling, anti‑sagging and surface finish quality.
Key technical parameters
| Chemical composition | Organo‑modified hectorite |
| Appearance | Off‑white super‑fine fluffy powder |
| Density | 1.78 g/cm³ |
| Moisture content | ≤2.8 % |
| Loss on ignition | 38‑42 % |
| 325‑mesh residue | ＜80 ppm |
| Physical form | Super‑fine fluffy powder |
| Standard package | 25 kg / bag |
| CAS No. | 1302‑78‑9 |
Key benefits
1. Ultra‑low sieve residue reduces risks of surface specks and fish‑eyes for high‑quality finishing requirements.
2. Balanced thixotropic gel performance achieves good trade‑off among anti‑settling, anti‑sagging and levelling properties.
3. Good compatibility with mixed‑solvent systems ranging from low‑medium to medium‑high polarity.
4. Reliable batch‑to‑batch consistency for mass‑production of premium inks and automotive primers.
5. Excellent compatibility with epoxy, PU, alkyd and vinyl‑type resins.
Main application fields
Core applications: Premium printing inks, automotive industrial primers, high‑grade anti‑corrosive topcoats, coil coatings
Suitable for: High‑performance adhesives, plastisols, foundry industrial coatings
Not suitable for: 100 % water‑based systems, food‑contact articles