Elementis BENTONE SD‑2 Easy‑disperse Organoclay, Anti‑settling Rheology Additive for Medium‑High Polar Epoxy, PU Stoving & Automotive Coatings
Elementis BENTONE SD‑2 Easy‑disperse Organoclay, Anti‑settling Rheology Additive for Medium‑High Polar Epoxy, PU Stoving & Automotive Coatings
Full name & product positioning
Full product name: BENTONE SD‑2 Easy‑disperse Organo‑modified Clay.
Pre‑activated no‑pre‑gel rheology additive for medium‑to‑high‑polar solvents such as esters, ketones and alcohol ethers. Suitable for epoxy, two‑component PU and acid‑cured stoving coatings, balancing anti‑settling / anti‑sagging and film gloss.
Key technical parameters
| Chemical composition | Organo‑modified hectorite |
| Appearance | Off‑white super‑fine soft powder |
| Density | 1.62 g/cm³ |
| Moisture content | ≤2.5 % |
| Loss on ignition | 36‑40 % |
| 325‑mesh residue | ＜100 ppm |
| Physical form | Super‑fine powder |
| Standard package | 25 kg / bag |
| CAS No. | 1302‑78‑9 |
Key benefits
1. No pre‑gel or activator required; activation achieved under low shear to simplify production.
2. Tolerant to ethyl acetate, cyclohexanone, alcohol‑ethers and other high‑polar solvents; good compatibility with two‑component epoxy & PU systems.
3. Fine particle size minimizes speckles and has limited negative impact on film gloss.
4. Reliable pigment suspension to avoid storage sedimentation; balances anti‑sagging and levelling during application.
5. Can be incorporated in grinding phase or added post‑grind for rheology correction.
Main application fields
Core applications: Two‑component epoxy & polyurethane coatings, automotive refinish paints, acid‑cured stoving coatings, gravure inks
Suitable for: High‑build vinyl coatings, anti‑corrosive topcoats, industrial two‑component floor primers
Not suitable for: 100 % water‑based systems, food‑contact articles