TMG 216 Polyurethane Catalyst

Features Of TMG 216 Polyurethane Catalyst

1. Highly selective tertiary amine catalyst optimized for polyurethane flexible slabstock foam production.

2. Excellent balance of cream, gel, and tack-free times to support high-speed continuous manufacturing.

3. Low volatility and minimal odor, contributing to improved workplace safety and reduced VOC emissions.

4. Good compatibility with common polyol systems and stable performance across varying formulation temperatures.

5. Non-corrosive to processing equipment and compatible with standard stainless-steel and aluminum tooling.

Typical Applications Of TMG 216 Polyurethane Catalyst

1. Flexible molded polyurethane foams for automotive seating and interior components.

2. Continuous slabstock foam production for bedding and furniture applications.

3. High-resiliency (HR) foam formulations requiring precise reactivity control.

4. Water-blown and low-emission foam systems targeting sustainability certifications.

Specifications Of TMG 216 Polyurethane Catalyst

TMG 216 Polyurethane Catalyst – Frequently Asked Questions (FAQ)

Q1: What is TMG 216 and how does it function in polyurethane systems?

A: TMG 216 is a tertiary amine-based catalyst specifically designed to promote the urethane reaction (isocyanate–polyol coupling) in flexible and semi-rigid polyurethane foams. It offers balanced reactivity, good flow properties, and low volatility, supporting consistent cell structure development and reduced post-cure shrinkage.

Q2: Is TMG 216 compatible with water-blown and MDI/TDI-based formulations?

A: Yes, TMG 216 demonstrates broad compatibility across common polyurethane systems, including water-blown flexible slabstock foams and MDI- or TDI-based molded and integral skin applications. It performs well in both cold-cure and conventional processing conditions without significant sensitivity to moisture or common additives.

Q3: How should TMG 216 be handled and stored to maintain performance?

A: Store TMG 216 in its original sealed container at temperatures between 10°C and 30°C, away from direct sunlight and strong oxidizing agents. Due to its amine nature, avoid prolonged exposure to air and moisture to prevent potential degradation or CO₂ absorption. Always follow standard industrial hygiene practices when handling.

Q4: Can TMG 216 be used as a sole catalyst, or is it typically blended with other catalysts?

A: While TMG 216 can function effectively as a primary urethane catalyst, it is most commonly used in combination with gelling catalysts (e.g., DABCO® 33LV or similar) to fine-tune cream time, rise profile, and final foam firmness. Blending allows formulators greater control over processing window and physical properties.

Q5: What are typical dosage guidelines for TMG 216 in foam formulations?

A: Dosage depends on formulation requirements and desired processing characteristics, but TMG 216 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to the total polyol component. Optimization is recommended via small-scale trials under actual production conditions.