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Highly latent at ambient temperature, enabling extended pot life and improved processing flexibility.
Activates rapidly upon thermal trigger (typically >100 °C), delivering efficient epoxy crosslinking.
Halogen-free formulation supporting environmental compliance and low halogen content requirements.
Excellent compatibility with standard bisphenol-A and bisphenol-F epoxy resins.
Low volatility and minimal odor, enhancing workplace safety and handling convenience.
Electronics encapsulation and underfill materials requiring precise thermal activation.
Prepregs and composite laminates for aerospace and wind energy structures.
Structural adhesives used in automotive bonding and lightweight assembly.
Coating systems for metal substrates demanding high-throughput oven curing.
3D printing resin formulations where shelf stability and controlled reactivity are critical.
| Chemical Type | Latent amine-based epoxy curing agent |
| Product Form | Free-flowing off-white to light tan powder |
| Appearance | Crystalline granular solid |
| Primary Applications | Epoxy resin systems requiring thermal latency and rapid cure |
| Key Features | Halogen-free, low dust generation, excellent storage stability |
| Recommended Storage | Sealed container at 5–25 °C; protect from moisture |
| Onset of Reactivity | ~105 °C (by DSC, heating rate 10 °C/min) |
| Shelf Life | ≥12 months under recommended storage conditions |
Q1: What is the primary function of CG-1200G in epoxy formulations?
A: CG-1200G is a latent amine-based curing agent designed to provide extended pot life at ambient temperatures while enabling rapid, efficient cure upon thermal activation—typically above 100 °C. It supports high-gloss, low-color cured films with excellent chemical and thermal resistance.
Q2: How does CG-1200G compare to conventional aromatic amine hardeners in terms of handling and safety?
A: Unlike many aromatic amines, CG-1200G exhibits significantly lower volatility and reduced skin sensitization potential under normal handling conditions. Its latent nature minimizes reactivity during mixing and storage, enhancing workplace safety and formulation stability without requiring stringent inert-atmosphere handling.
Q3: Is CG-1200G compatible with standard epoxy resins used in industrial coatings and composites?
A: Yes—CG-1200G demonstrates broad compatibility with common liquid and solid bisphenol-A and bisphenol-F epoxies, as well as novolac-type resins. It is widely used in powder coatings, electrical encapsulants, and structural adhesives where controlled latency and clean cure profiles are critical.
Q4: What is the typical dosage range for CG-1200G in epoxy systems?
A: Dosage depends on resin functionality, desired cure schedule, and end-use performance requirements—but it is generally used at low concentrations, typically ranging from 0.1% to 2% by weight relative to the epoxy resin. Optimal levels should be determined through small-scale formulation trials.
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