Organoclay Rheological Additive BT-186

BT-186 is a premium, light-colored organoclay rheological additive specially engineered for medium-to-high polarity solvent systems.It delivers exceptional thickening and superior anti-settling control in xylene, heavy aromatics, butyl acetate, ketones, and alcohols. Exhibiting leading-edge viscosity development particularly within ester- and alcohol-based formulations, it serves as a highly costeffective rheological alternative to fumed silica. BT-186 requires high-speed shear dispersion and a polar activator, making it widely ideal for heavy-duty anti-corrosion coatings and industrial paints.

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Specifications

Appearance: Light yellow free-flowing powder
Volatile content (105°C, 2h): ≤3.5%
Particle size (<76μm / 200 mesh): ≥95%
Viscosity (7% xylene gel, 25°C): ≥4.0 Pa·s
Ignition loss (850-900°C): ≤40%

Features & Applications
Organoclay Rheological Additive BT-186 is suitable for medium-high polarity solvents (xylene, alcohols, ketones, etc.), with excellent thickening performance (especially in ester/alcohol systems). A highly cost-efficient alternative to fumed silica and benchmark organoclays. Requires high-speed dispersion, polar activator, and pre-gel method for best results. Used in anti-corrosion paints, industrial coatings, agrochemicals, etc.

Packaging & Storage:

Packaged in double-layer bags with an outer kraft paper bag and an inner polyethylene film bag, or in valve paper bags. The weight is typically 25±0.25kg or as per customer requirements. When stored under dry conditions at temperatures between 0°C and 30°C, the shelf life is 24 months.

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