Products > PU Additives & Catalysts
PU Additives & Catalysts
Precision additives and catalysts that bring polyurethane formulations to life — catalysts, silicone surfactants, flame retardants, and blowing agents.
Catalog Downloads
Download the current English MENGWEI catalog files for this product category.
Who Uses This
PU system houses
Additive packages for rigid and flexible formulations.
Foam manufacturers self-blending
Catalysts and surfactants for plant-level blending.
Custom formulators
Balanced packages for proprietary PU systems.
R&D teams
Samples for developing proprietary PU systems.
Products in This Family
Catalysts for Flexible PU Foam
Tertiary amine and organotin catalysts, including delayed-action grades.
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Catalysts for Rigid PU Foam
Trimerization, balanced gel-blow, and PIR-specific catalysts.
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Technical Specifications
| Catalyst type | Amine, tin, trimerization |
|---|---|
| Use level | 0.05-5.0 phr |
| Foam type | Flexible, rigid, PIR, spray |
| Fire retardant options | TCPP, TEP, halogen-free grades |
| Blowing agent options | HFC-245fa, cyclopentane, low-GWP options |
Quality Standards & Benchmarking
Our PU Additives & Catalysts is benchmarked to Evonik / Momentive / Wacker specifications, with comparable technical performance and a more cost-effective overall package. Selected products available with REACH and CE documentation.
Discuss Your PU Additives & Catalysts Requirements
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