BYK-W 9011 is an acidic copolymer Wetting Dispersant Agents designed for SMC/BMC and pultrusion processes. This solvent-free additive optimizes filler/pigment dispersion in low-profile (LP), low-shrink (LS), and highly filled epoxy systems, reducing viscosity while enhancing batch consistency.
Filler Specialist - Superior dispersion for CaCO₃/ATH fillers
Viscosity Reducer - Enables 20-30% higher filler loading
Emission Control - Complies with low-VOC requirements
Process Stabilizer - Improves batch-to-batch reproducibility
Economic Option - Budget-friendly vs. BYK-W 9010
Automotive SMC - Class A surface body panels
Electrical BMC - Insulating enclosures with stable viscosity
Structural Pultrusion - Fiber-reinforced profiles
Fire-Retardant Composites - ATH-filled formulations
Epoxy Tooling - High-fill mold manufacturing
Base Chemistry | Acidic copolymer |
Recommended Loading | 0.5-1% (fillers), 0.25-1% (BMC resin) |
Thermal Stability | Up to 200°C processing |
Regulatory Compliance | RoHS/REACH compliant |
Storage Handling | Requires 30°C+ homogenization |
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