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

BYK-P 9928 Wetting Dispersing Agents

BYK-P 9928 is a polymeric ester Wetting Dispersing Agents designed to eliminate bubble formation during MEKP-catalyzed vinylester resin curing. This specialized processing aid modifies peroxide decomposition pathways without compromising corrosion resistance or curing performance, enabling bubble-free composites while maintaining standard MEKP compatibility and resin storage stability

Effect of BYK-P 9928 Wetting Dispersing Agents

  1. Bubble-Free Curing - Converts oxygen generation to radical participation in polymerization

  2. MEKP-Compatible - Works with standard peroxide curing systems

  3. Process-Stable - Maintains 6+ months stability in pre-accelerated resins

  4. Performance-Preserving - Minimal impact on gel time/corrosion resistance

  5. Easy Handling - Liquid form for straightforward incorporation

Typical Applications of BYK-P 9928 Wetting Dispersing Agents

  1. Marine Composites - Hull laminates requiring void-free structures

  2. Chemical Tanks - Corrosion-resistant vinylester linings

  3. Wind Energy - Rotor blade resin infusion processes

  4. Pipes/Flanges - High-pressure industrial piping systems

  5. Architectural Panels - Gel coat applications demanding surface perfection

Technical Data of BYK-P 9928 Wetting Dispersing Agents

Base ChemistryPolymeric ester
Recommended Loading1% of resin weight
Activation Temperature40°C (if crystallized)
Food Contact StatusCompliance available
Synergistic PairingBYK-A 515 recommended


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