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High reactivity with amine and anhydride curing agents for rapid gelation and short cycle times.
Excellent adhesion to metals, composites, and fiber-reinforced substrates.
Low viscosity enables easy handling, degassing, and impregnation of complex fiber architectures.
Superior thermal stability with glass transition temperature (Tg) exceeding 180 °C post-cure.
Low chloride content ensures enhanced corrosion resistance in demanding structural applications.
Aerospace composite parts including winglets, fuselage panels, and interior components.
High-performance wind turbine blade matrices requiring fatigue resistance and dimensional stability.
Electrical insulation systems for high-voltage transformers and dry-type reactors.
Automotive structural adhesives and carbon fiber reinforced polymer (CFRP) body modules.
Industrial tooling and mandrels for precision composite manufacturing processes.
| Chemical Type | Bisphenol-F based liquid epoxy resin |
| Product Form | Clear to pale yellow low-viscosity liquid |
| Appearance | Transparent, homogeneous liquid at 25 °C |
| Epoxy Equivalent Weight (EEW) | 178–184 g/eq |
| Viscosity (25 °C) | 12,000–16,000 mPa·s |
| Chloride Content | ≤ 500 ppm |
| Volatiles Content | ≤ 0.3 wt% |
| Storage Stability | 12 months at ≤ 25 °C in sealed original packaging |
Q1: What is the primary functional role of Shikoku C11Z-CNS in epoxy formulations?
A: Shikoku C11Z-CNS is a cycloaliphatic epoxy resin designed primarily as a reactive diluent and viscosity modifier. It helps reduce formulation viscosity without significantly compromising thermal stability or chemical resistance, enabling improved processability in coating, adhesive, and encapsulation applications.
Q2: Is C11Z-CNS compatible with standard amine-based hardeners?
A: Yes, C11Z-CNS exhibits good reactivity with conventional aliphatic and aromatic amines, as well as latent hardeners such as dicyandiamide. Its cycloaliphatic structure supports efficient crosslinking under both ambient and elevated cure conditions.
Q3: How does C11Z-CNS compare to bisphenol-A epoxy resins in terms of UV stability?
A: Unlike aromatic epoxy resins, C11Z-CNS features a saturated cycloaliphatic backbone, which provides inherently superior resistance to UV-induced yellowing and degradation—making it particularly suitable for outdoor or light-exposed applications where long-term clarity and color stability are required.
Q4: Can C11Z-CNS be used in food-contact compliant epoxy systems?
A: While C11Z-CNS itself is not pre-approved for food contact, it may be incorporated into final formulations that meet relevant food-contact regulations—subject to full system evaluation, including migration testing and compliance verification by the end-user’s regulatory team.
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