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Highly reactive cycloaliphatic epoxy resin with excellent low-viscosity and fast cure kinetics.
Outstanding UV stability and weather resistance due to saturated ring structure—no aromatic groups.
Low volatility and low skin sensitization potential, supporting safer handling versus conventional glycidyl ethers.
Excellent adhesion to metals, composites, and glass substrates without mandatory surface priming.
Superior electrical insulation properties with high dielectric strength and volume resistivity.
UV-curable and thermal-cure coatings for optical lenses and precision optics.
Encapsulants and potting compounds for LED modules and power electronics.
High-performance composite matrices in aerospace and wind turbine blade manufacturing.
Electrical insulating varnishes for motors, transformers, and coil winding systems.
Adhesives for bonding temperature-sensitive or optically transparent components.
| Chemical Type | Cycloaliphatic diglycidyl ether |
| Product Form | Clear, low-viscosity liquid |
| Appearance | Colorless to pale yellow, transparent |
| Epoxy Equivalent Weight (EEW) | 165–175 g/eq |
| Viscosity at 25°C | 300–500 mPa·s |
| Active Hydrogen Equivalent Weight (AHEW) | 95–105 g/eq (with anhydride hardeners) |
| Primary Applications | Coatings, encapsulants, composites, electrical insulation |
| Key Features | Low viscosity, rapid cure, UV stability, low toxicity profile |
Q1: What is the primary chemical nature of CELLOXIDE 2021P?
A: CELLOXIDE 2021P is a cycloaliphatic epoxy resin based on diglycidyl ether of hydrogenated bisphenol A, offering high purity, low viscosity, and excellent thermal and UV stability compared to conventional aromatic epoxies.
Q2: How does CELLOXIDE 2021P differ from standard DGEBA-type epoxy resins in performance?
A: Unlike aromatic DGEBA resins, CELLOXIDE 2021P delivers superior weatherability, reduced yellowing under UV exposure, higher glass transition temperature in cured systems, and improved electrical insulation properties—making it well-suited for demanding outdoor, optical, and electronic encapsulation applications.
Q3: Which types of curing agents are commonly compatible with CELLOXIDE 2021P?
A: It exhibits good reactivity with a range of amine-based hardeners (including aliphatic, cycloaliphatic, and aromatic amines), anhydrides, and catalytic systems such as tertiary amines or Lewis acids—enabling flexibility in formulating for ambient-cure, heat-cure, or UV-assisted processes.
Q4: Is CELLOXIDE 2021P suitable for use in coatings requiring high gloss and clarity?
A: Yes—it is widely selected for high-performance clear coats, optical adhesives, and protective topcoats due to its inherent low color, excellent transparency, and ability to yield smooth, defect-free films with outstanding surface hardness and chemical resistance after cure.
Q5: What handling precautions should be observed when working with CELLOXIDE 2021P?
A: As with most epoxy resins, appropriate personal protective equipment—including nitrile gloves, safety goggles, and adequate ventilation—should be used during handling to minimize skin contact and inhalation of mists or vapors. Avoid prolonged or repeated exposure.
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E-mail: wangxingqiang@ericwchem.com
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