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High-yield sodium bentonite with optimized particle dispersion for superior suspension stability.
Low-sodium, calcium-activated formulation enabling excellent thickening performance in aqueous systems without excessive viscosity hysteresis.
Consistent rheological profile across varying pH (5–10) and temperature ranges (0–60 °C).
Reduced gel time versus standard bentonites, facilitating efficient high-shear processing in industrial mixing equipment.
Non-toxic, REACH-compliant raw material suitable for regulated industrial and agricultural applications.
Agricultural pesticide suspensions and herbicide concentrates.
Water-based metalworking fluids requiring stable emulsion and particulate suspension.
Drilling mud additives for low-viscosity, high-yield non-damaging borehole fluids.
Industrial cleaning gels and solvent-free degreasing formulations.
Foundry mold washes and refractory coatings demanding controlled rheology and film integrity.
| Chemical Type | Sodium-calcium activated bentonite clay |
| Product Form | Free-flowing fine powder |
| Appearance | Light gray to tan granular powder |
| Primary Applications | Aqueous suspension stabilizer, rheology modifier |
| Key Features | Low-sodium, rapid hydration, shear-thinning behavior |
| Benefits | Enhanced storage stability, reduced settling, improved pumpability |
| pH Range (1% slurry) | 7.5–9.5 |
| Moisture Content (max) | 10.0 wt% |
Q1: What is the primary functional advantage of POLARGEL CA compared to standard bentonite thickeners?
A: POLARGEL CA is a specially surface-modified sodium bentonite designed for enhanced dispersion and rheological performance in polar solvent systems—particularly water-based and glycol-containing formulations—where conventional bentonites may exhibit poor swelling or inconsistent yield value development.
Q2: Is POLARGEL CA suitable for use in low-VOC or solvent-free industrial coatings?
A: Yes—POLARGEL CA is widely used in high-solids, waterborne, and hybrid coating systems where efficient suspension of pigments and fillers is required without introducing volatile organic compounds. Its activation does not rely on organic solvents or high-shear pre-gelation steps.
Q3: How should POLARGEL CA be incorporated into a formulation to achieve optimal thickening and stability?
A: For best results, disperse POLARGEL CA under moderate to high shear (e.g., using a high-speed disperser or colloid mill) directly into the aqueous or polar liquid phase—preferably before adding other solids. Pre-wetting with a small amount of glycol or alcohol can aid deagglomeration in some systems.
Q4: Does POLARGEL CA require activation with quaternary ammonium salts or other additives?
A: No—POLARGEL CA is supplied in a pre-activated, organically modified form and does not require additional activation agents. It delivers immediate yield stress development upon hydration in compatible media, eliminating the need for aging or post-addition modifiers.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
