Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BYK-W 996 Wetting Dispersing Agents

BYK-W 996 is an acidic copolymer-based dispersant specifically formulated for closed molding applications like SMC/BMC and pultrusion. This cost-effective additive excels in highly filled systems, particularly with aluminum hydroxide (ATH), while maintaining compatibility with unsaturated polyesters and epoxy matrices for improved processing and material performance.

Effect of BYK-W 996 Wetting Dispersing Agents

  1. Filling Specialist - Optimized for high ATH-filled systems

  2. Process Adaptor - Reduces viscosity for better flow

  3. System Versatility - Works with polyesters & epoxies

  4. Synergistic Option - Can be paired with BYK-W 9010

  5. Quality Enhancer - Promotes uniform filler distribution

Typical Applications of BYK-W 996 Wetting Dispersing Agents

  1. Composite Molding - SMC/BMC automotive parts

  2. Pultrusion Profiles - Structural fiber-reinforced components

  3. Low-Shrink Formulations - Class A surface coatings

  4. Epoxy Adhesives - High-performance bonding systems

  5. Fire-Retardant Composites - ATH-filled safety materials

Technical Data of BYK-W 996 Wetting Dispersing Agents

Acid Value71 mg KOH/gViscosity: 450-650 mPa·s (20°C)
Density (20°C)1.04 g/mlpH: 2.5-3.5 (10% solution)
Refractive Index1.462Solubility: Polar solvents
Moisture Content0.13%Storage Stability: 12 months
Flash Point>40°CCompatible Fillers: CaCO₃, SiO₂


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