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Highly selective amine-based catalyst optimized for controlled urethane formation in polyurethane systems.
Enables excellent balance between reactivity and processing window, supporting stable foam rise and fine cell structure.
Low volatility and reduced odor profile compared to traditional tertiary amine catalysts.
Compatible with a broad range of polyols, isocyanates, and formulation additives including flame retardants and surfactants.
Supports low-emission formulations meeting stringent indoor air quality standards (e.g., Greenguard, CDPH v1.2).
Flexible slabstock polyurethane foams for bedding and furniture.
Automotive interior foams including seat cushions, headrests, and armrests.
High-resilience (HR) and molded flexible foams requiring consistent flow and dimensional stability.
Water-blown or low-VOC semi-rigid foams for automotive and appliance applications.
Reaction injection molding (RIM) and structural foam systems demanding precise gel–rise balance.
| Chemical Type | Amine-based, non-volatile tertiary amine blend |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Density (20 °C) | Approx. 0.95–0.97 g/cm³ |
| Viscosity (25 °C) | Approx. 80–120 mPa·s |
| pH (1% aqueous solution) | 10.5–11.2 |
| Solubility | Miscible with common polyols and solvents used in PU formulations |
| Storage Stability | Stable for ≥12 months at 5–30 °C in original sealed container |
Q1: What is the primary function of TEGOAMIN ZE 4 in polyurethane systems?
A: TEGOAMIN ZE 4 is a highly selective, non-volatile tertiary amine catalyst designed to promote the urethane reaction (isocyanate–polyol coupling) while minimizing side reactions such as trimerization or hydrolysis. It is particularly valued for enabling balanced reactivity and improved processing control in demanding flexible and rigid foam applications.
Q2: Is TEGOAMIN ZE 4 compatible with water-blown or low-VOC formulations?
A: Yes — its low volatility and hydrolytic stability make it well-suited for water-blown systems and low-VOC formulations where reduced emissions and minimal odor are critical. It does not readily degrade in the presence of moisture and contributes to consistent cell structure development without excessive gas evolution.
Q3: How should TEGOAMIN ZE 4 be handled and stored?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, protected from direct sunlight and moisture. Avoid prolonged exposure to air due to its hygroscopic nature. Use standard industrial handling practices for amine catalysts — ensure adequate ventilation and appropriate PPE (gloves, eye protection) during dispensing and mixing.
Q4: Can TEGOAMIN ZE 4 be used in combination with other catalysts?
A: Yes — it is commonly blended with complementary catalysts (e.g., metal carboxylates for gelling control or other amine types for fine-tuned cream-to-gel timing) to achieve tailored reactivity profiles. Compatibility testing in the final formulation is recommended to verify synergistic effects and avoid antagonism or phase separation.
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