MXC-70: High-Performance Polyurethane Gelling Catalyst
MXC-70 is a highly selective, liquid amine gelling catalyst primarily composed of 1,2-Dimethylimidazole. Supplied directly by Hebei Mingxu New Materials Technology Co., Ltd., it is engineered to deliver exceptional catalytic activity in the urethane reaction. It is particularly recognized for its excellent storage stability in next-generation blowing agents (like HCFO-1233zd) and its ability to significantly improve surface cure and adhesion in rigid polyurethane systems.
Product Identification
| Category | Specification |
| Chemical Name | 1,2-Dimethylimidazole (Base active) |
| CAS Number | 1739-84-0 |
| Product Function | PU Gelling Catalyst / Imidazoles |
| Appearance | Yellowish Liquid |
Technical Data Sheet (TDS)
We ensure stringent quality control to provide consistent formulation stability and reliable backend curing for industrial manufacturing:
| Property | Typical Value | Unit |
| Purity | Approx. 70.0 | % |
| Water Content | ≤ 1.0 | % |
| Viscosity | 10 | @ 25°C, mPa·s (cps) |
| Freezing Point | < -10 | °C |
| Flash Point | 113 | °C |
| Specific Gravity | 1.04 |
Key Features & Technical Advantages
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Strong Gelling Selectivity: Drives the polyol-isocyanate reaction with high selectivity, ensuring rapid curing and enhanced structural integrity.
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HFO/HCFO Compatibility: Demonstrates outstanding storage stability and minimal reactivity drift when blended in HCFO-1233zd(E) polyol systems.
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Surface Cure Optimization: Markedly improves surface cure, resulting in high adhesive strength and significantly reduced friability of the final foam product.
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Fast Curing: Accelerates demolding times across various specialized polyurethane applications without compromising foam flowability.
Suggested Applications
MXC-70 is a highly versatile amine catalyst evaluated for multiple advanced polyurethane sectors:
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Rigid Polyurethane Foam: Extensively used in construction boards, sandwich panels, and sprayed foam (SPF) to improve curing speed and minimize surface friability.
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Microcellular & Elastomers: Acts as a fast-cure catalyst for polyether polyol-based shoe sole systems.
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Integral Skin Foams: Highly effective in both all-water and HCFO-blown integral skin formulations.
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Flexible Foams: Serves as an internal cure catalyst for polyester polyol-based slabstock flexible foams.
Packaging & Storage Guidelines
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Standard Packaging: Supplied in 180kg net steel drums for secure bulk transportation.
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Storage Environment: Store in a dry, cool, and well-ventilated industrial warehouse.
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Handling Precautions: Keep containers tightly sealed to prevent moisture absorption and maintain optimal chemical stability.
