Features Of Evonik Kat 244 Catalyst
Heavy Metal-Free - Contains no tin or other hazardous heavy metals
Eco-Friendly Formula - Environmentally sustainable catalyst solution
High Efficiency - Ensures rapid and complete crosslinking in silicone systems
Excellent Stability - Maintains consistent performance under various conditions
Typical Applications Of Evonik Kat 244 Catalyst
Silicone Sealants - Deacidification-type RTV silicone formulations
Glass Adhesives - Acidic silicone glass sealants and bonding applications
Construction Sealants - Industrial and architectural sealing products
Automotive Sealants - Vehicle assembly and maintenance applications
Electronic Encapsulants - Protection for electronic components
Specifications Of Evonik Kat 244 Catalyst
| Appearance | Colorless to light yellow liquid |
| Specific Gravity (20°C) | 1.22 ± 0.03 g/ml |
| Flash Point | >100°C |
| Color (Gardner) | ≤6 |
| Viscosity | <8000 mPa.s |
| Heavy Metal Content | Not detected |
Evonik Kat 244 Catalyst – Frequently Asked Questions (FAQ)
Q1: What is the primary function of Kat 244 in polyurethane systems?
A: Kat 244 is a highly selective tertiary amine catalyst designed to promote the urethane reaction (isocyanate–polyol coupling) while minimizing unwanted side reactions such as trimerization or excessive foaming. It supports balanced reactivity and improved processing control in flexible and semi-rigid foam formulations.
Q2: Is Kat 244 compatible with water-blown and low-VOC polyurethane systems?
A: Yes — Kat 244 exhibits good compatibility with water-blown systems and is frequently selected for low-VOC and emission-sensitive applications due to its low volatility and absence of volatile organic solvents or heavy metals.
Q3: How should Kat 244 be handled and stored to maintain performance stability?
A: Store in original sealed containers under dry, cool conditions (preferably below 30 °C) and protect from prolonged exposure to moisture and air. While not classified as highly sensitive, extended humidity exposure may gradually affect catalytic activity over time.
Q4: Can Kat 244 be used as a direct replacement for other amine catalysts like DABCO® 33LV or Jeffcat® ZF-10?
A: Kat 244 offers comparable urethane selectivity and latency profile, making it a viable alternative in many formulations — however, direct substitution requires adjustment of dosage and fine-tuning of processing parameters to match cure kinetics and final physical properties.
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