Dispersing Agent, Solvent-borne, Speciality Additive

VP 6910A Epoxy strong viscosity-reducing wetting and dispersing agents

6910A is a premium, solvent-free wetting and dispersing additive specifically engineered for high-performance epoxy resin systems. As a high-molecular-weight copolymer featuring multiple pigment-affinic groups, it excels in stabilizing inorganic pigments and fillers such as titanium dioxide, calcium carbonate, and quartz flour. The primary mechanism involves the steric stabilization of dispersed particles, which effectively prevents re-agglomeration and flocculation. By significantly lowering the interfacial tension between the resin matrix and solid particles, 6910A facilitates rapid wetting during the grinding process. This results in a dramatic reduction in mill-base viscosity, allowing formulators to achieve exceptionally high pigment loadings without compromising flow properties. Beyond rheological optimization, 6910A enhances the aesthetic and protective qualities of the final coating by improving gloss retention, preventing flooding or floating, and ensuring uniform color development. It is an indispensable component for developing VOC-compliant, high-solids epoxy coatings that require superior durability and resistance in demanding industrial environments. It maximizes performance.

Attributes

Key Features and Benefits

Exceptional Viscosity Reduction: Significantly lowers the viscosity of epoxy mill-bases, enabling higher pigment and filler concentration without increasing Newtonian flow resistance.
Superior Pigment Stabilization: Provides robust steric hindrance to prevent the flocculation of inorganic pigments, ensuring long-term shelf stability and consistent color.
Enhanced Surface Quality: Improves leveling and reduces the risk of surface defects like craters, flooding, or floating in multi-pigment systems.
Economic Efficiency: Faster wetting reduces grinding time and energy consumption while increasing total throughput.
Versatile Compatibility: 100% active matter content ensures full compatibility with various solvent-free and solvent-borne epoxy resins, maintaining film integrity across diverse industrial formulation requirements.

Specifications

Technical Highlights

Chemical Identity: A high-performance solution of a salt of unsaturated acidic polycarboxylic acids or a modified block copolymer with pigment-affinic groups.
CAS Verification: As a proprietary polymeric mixture, 6910A lacks a single CAS number; its constituent monomers are globally compliant.
Active Content: Features ≥98% non-volatile matter, making it ideal for low-VOC and solvent-free formulations.
Acid Value: Maintains a controlled acid value (typically 80-120 mg KOH/g) for optimal interaction with basic pigment surfaces.
Density: Approximately 1.05–1.12 g/cm³ at 20°C, facilitating easy incorporation.
Appearance: Presented as a yellowish, viscous liquid that ensures ease of handling in standard manufacturing environments without requiring equipment.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Epoxy Floor Coatings: Ideal for self-leveling floors and heavy-duty screeds requiring high mineral filler loading and smooth finish.
Industrial Anti-Corrosion: Used in high-build epoxy primers for marine and pipeline protection to ensure impermeable coating films.
Pigment Concentrates: Essential for manufacturing high-quality epoxy color pastes with excellent flowability and stability.
Adhesives: Optimizes the dispersion of structural fillers in epoxy-based construction adhesives and joint sealants.
Composite Resins: Enhances the wetting of reinforcement fibers and mineral reinforcements in specialized filament winding or resin infusion.
Marine Paints: Provides excellent resistance to moisture and salt spray by ensuring a perfectly homogeneous and dense polymer matrix.