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Excellent mechanical strength and dimensional stability after curing.
Good compatibility with standard MEKP catalysts and low-viscosity reactive diluents.
Superior weather resistance and UV stability for outdoor applications.
Consistent batch-to-batch performance ensured by Chang Chun’s strict quality control.
Optimized reactivity profile for balanced gel time and post-cure development in FRP manufacturing.
Fiberglass-reinforced plastic (FRP) tanks and vessels for chemical storage.
Marine components including boat hulls, decks, and structural laminates.
Industrial grating, ductwork, and corrosion-resistant linings.
Automotive under-hood components and composite body panels.
Wind turbine blade substructures and nacelle enclosures.
| Chemical Type | Orthophthalic unsaturated polyester resin |
| Product Form | Liquid, ready-to-use |
| Appearance | Clear to pale yellow viscous liquid |
| Viscosity (25°C) | 350–550 cP |
| Solid Content | ≈99.5% (non-volatile) |
| Gel Time (with 1.0% MEKP, 25°C) | 8–12 minutes |
| Acid Value | 18–22 mg KOH/g |
| Density (25°C) | 1.12–1.15 g/cm³ |
Q1: What are the key performance characteristics of ETERSET 2446?
A: ETERSET 2446 is a medium-viscosity, general-purpose unsaturated polyester resin offering balanced mechanical strength, good chemical resistance, and excellent compatibility with common reinforcing fillers and fiberglass. It cures readily with standard peroxide initiators and delivers consistent gel time and exotherm profiles under typical laminating and casting conditions.
Q2: Which curing agents are recommended for optimal performance?
A: Methyl ethyl ketone peroxide (MEKP) is the most widely used initiator for ETERSET 2446 in ambient- and elevated-temperature cure systems. Benzoyl peroxide (BPO) may be selected for low-temperature or paste applications. Final selection should consider processing method, ambient conditions, and desired pot life—always verify compatibility and cure behavior through small-scale trials.
Q3: Can ETERSET 2446 be used in marine or corrosion-resistant applications?
A: Yes—ETERSET 2446 is commonly formulated into FRP components for marine decks, tanks, and ducting where moderate resistance to water, mild acids, and alkalis is required. For highly aggressive environments, formulation enhancements (e.g., vinyl ester blending or specialized barrier coats) and rigorous post-cure protocols are typically advised.
Q4: How should ETERSET 2446 be stored to maintain stability?
A: Store in original unopened containers in a cool, dry, well-ventilated area away from direct sunlight, heat sources, and strong oxidizers. Recommended storage temperature is between 15°C and 25°C. Prolonged exposure to temperatures above 30°C may reduce shelf life and affect viscosity and reactivity.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
