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Highly selective tertiary amine catalyst optimized for balanced reactivity in polyurethane foam systems.
Low volatility and minimal odor, supporting safer handling and improved workplace air quality.
Excellent compatibility with common polyols, isocyanates, and auxiliary additives across flexible and rigid formulations.
Enables precise control over cream, rise, and gel times—ideal for molded and slabstock foam production.
Non-corrosive to processing equipment and stable under standard storage conditions (25°C, dry environment).
Flexible slabstock polyurethane foam for bedding and furniture.
Rigid polyurethane and polyisocyanurate (PIR) insulation foams for construction and refrigeration.
Automotive seating and interior trim foams requiring consistent cell structure and low emissions.
Integral skin and microcellular foams used in automotive dashboards and armrests.
Water-blown and low-VOC foam systems compliant with global environmental regulations.
| Chemical Type | Tertiary amine |
| Product Form | Liquid |
| Appearance | Clear, pale yellow liquid |
| Primary Applications | Foam catalysis (flexible & rigid PU) |
| Key Features | Balanced gelling/foaming activity, low volatility, low odor |
| Benefits | Improved processing control, reduced emissions, enhanced foam dimensional stability |
| Storage Conditions | Store in original sealed container at 10–30°C; protect from moisture and direct sunlight |
| Shelf Life | 24 months from date of manufacture when stored properly |
Q1: What is the primary function of TMG 233 in polyurethane systems?
A: TMG 233 is a tertiary amine-based catalyst designed to promote the urethane reaction (isocyanate–polyol coupling), offering balanced reactivity and improved flow characteristics in flexible and semi-rigid foam formulations.
Q2: Is TMG 233 compatible with water-blown and MDI-based systems?
A: Yes, TMG 233 demonstrates good compatibility with both water-blown and MDI-dominated systems, supporting consistent cell structure development and reduced sensitivity to ambient humidity during processing.
Q3: How does TMG 233 compare to traditional amine catalysts in terms of odor and volatility?
A: TMG 233 exhibits lower volatility and reduced amine odor compared to many low-molecular-weight aliphatic amines, contributing to improved workplace handling and lower post-cure emissions in finished parts.
Q4: Can TMG 233 be used in low-emission or automotive interior applications?
A: Yes — its favorable volatility profile and compatibility with low-VOC formulation strategies make TMG 233 suitable for use in demanding applications such as automotive seating foams where emission control is critical.
Q5: What is the typical dosage range for TMG 233 in standard flexible slabstock foam?
A: Dosage depends on formulation requirements and desired cure profile, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to the polyol component.
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E-mail: wangxingqiang@ericwchem.com
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