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High-efficiency organoclay-based rheology modifier for solventborne systems.
Delivers excellent thixotropy and anti-sag performance in vertical applications.
Compatible with a broad range of mineral spirits, aromatic hydrocarbons, and aliphatic solvents.
Enables easy activation with standard polar activators (e.g., water or alcohol).
Provides stable viscosity control across temperature variations during storage and application.
Industrial maintenance coatings and protective primers.
Marine and offshore anticorrosive coatings.
Automotive refinish and OEM underbody coatings.
Heavy-duty rust-inhibitive enamels and varnishes.
Solventborne sealants and caulks requiring sag resistance.
| Chemical Type | Surface-modified bentonite clay |
| Product Form | Free-flowing powder |
| Appearance | Off-white to light tan granular powder |
| Primary Applications | Solventborne industrial coatings and sealants |
| Key Features | Thixotropic control, anti-settling, anti-sag |
| Benefits | Improved brush/roller application, enhanced storage stability, reduced pigment settling |
| Recommended Activation | Water or low-molecular-weight alcohol (e.g., isopropanol) |
| Storage Conditions | Store in cool, dry place; protect from moisture |
Q1: What type of rheology does BENGEL 828 provide in coatings and inks?
A: BENGEL 828 is a high-efficiency organoclay-based rheological additive that delivers pronounced thixotropic behavior—providing excellent sag resistance in vertical applications while maintaining good flow and leveling during application.
Q2: Is BENGEL 828 suitable for solvent-based systems only, or can it be used in other chemistries?
A: BENGEL 828 is specifically designed for use in polar organic solvent-based systems, including alkyds, polyurethanes, and epoxy formulations. It requires activation with polar activators and is not recommended for waterborne or non-polar hydrocarbon systems without thorough compatibility testing.
Q3: How is BENGEL 828 typically incorporated into a formulation?
A: It is generally added during the grinding stage or early in let-down, dispersed using high-shear mixing after pre-activation with a suitable polar activator (e.g., primary alcohols or amine derivatives). Proper dispersion is critical to achieving optimal rheological performance.
Q4: Does BENGEL 828 affect film clarity or color stability in clear coat applications?
A: When properly dispersed and activated, BENGEL 828 typically exhibits minimal impact on transparency and long-term color stability in clear coatings—though final performance should be verified under actual curing and aging conditions relevant to the end-use environment.
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E-mail: wangxingqiang@ericwchem.com
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