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High-efficiency rheology modifier for water-based systems.
Excellent compatibility with anionic, nonionic, and amphoteric surfactants.
Provides outstanding viscosity stability across wide pH range (pH 4–12).
Low foaming profile, suitable for high-shear industrial processes.
Non-toxic formulation compliant with REACH and RoHS directives.
Architectural coatings including interior and exterior latex paints.
Industrial maintenance coatings and protective primers.
Water-based adhesives and construction sealants.
Carpet and upholstery cleaning formulations.
Agrochemical suspension concentrates (SC) and aqueous flowables.
| Chemical Type | Hydrophobically modified alkali-swellable emulsion (HASE) |
| Product Form | Opaque white liquid |
| Appearance | Homogeneous viscous dispersion |
| Active Content | 30.0 ± 1.0 wt% |
| pH (1% aqueous solution) | 3.0 – 4.5 |
| Density (25°C) | 1.02 – 1.05 g/cm³ |
| Viscosity (Brookfield RVT, spindle #3, 20 rpm, 25°C) | 3,000 – 6,000 cP |
| Primary Applications | Water-based architectural and industrial coatings, cleaners, agrochemicals |
Q1: What types of formulations is KY Chemical 8650 Thickener most commonly used in?
A: KY Chemical 8650 Thickener is widely employed in aqueous-based industrial coatings, architectural paints, cleaning concentrates, and water-based adhesives where stable rheology control and shear-thinning behavior are required.
Q2: How does KY Chemical 8650 Thickener perform under varying pH conditions?
A: KY Chemical 8650 Thickener demonstrates robust thickening performance across a broad pH range, typically maintaining effectiveness between pH 4.0 and 10.0, making it suitable for both mildly acidic and alkaline systems without significant viscosity loss.
Q3: Is KY Chemical 8650 Thickener compatible with common co-thickeners and rheology modifiers?
A: Yes — KY Chemical 8650 Thickener is generally compatible with associative thickeners, cellulosic derivatives, and inorganic thickeners when properly incorporated, allowing formulators to fine-tune flow properties and sag resistance in complex systems.
Q4: What is the recommended addition method for optimal dispersion and viscosity development?
A: For best results, KY Chemical 8650 Thickener should be added slowly under moderate agitation during the post-addition phase, preferably after primary pigments and fillers are fully dispersed. Pre-dilution in water or compatible solvent may aid uniform incorporation and reduce agglomeration risk.
Q5: Does KY Chemical 8650 Thickener require activation time or pH adjustment to achieve full thickening effect?
A: KY Chemical 8650 Thickener typically develops viscosity rapidly upon dispersion but may benefit from brief conditioning (15–30 minutes) to reach equilibrium viscosity. While not strictly dependent on pH adjustment, optimal performance is observed within its functional pH window, as noted in Q2.
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