Excellent mechanical strength and impact resistance after curing.
Good compatibility with standard styrene monomers and common fillers.
Low viscosity for easy processing in spray-up, filament winding, and RTM applications.
Consistent reactivity profile enabling reliable gel time control under ambient conditions.
High chemical resistance to dilute acids, alkalis, and salt solutions in cured form.
Fiberglass-reinforced plastic (FRP) tanks and vessels for water treatment.
Marine components including boat hulls, decks, and structural panels.
Industrial corrosion-resistant ducting and scrubber systems.
Automotive aftermarket body parts and composite tooling molds.
Architectural cladding and decorative panels requiring dimensional stability.
| Chemical Type | Orthophthalic unsaturated polyester resin |
| Product Form | Liquid, ready-to-use |
| Appearance | Clear to pale yellow viscous liquid |
| Viscosity (25°C) | 250–350 mPa·s |
| Styrene Content | 38–42 wt% |
| Gel Time (at 25°C with 1% MEKP) | 12–18 minutes |
| Solid Content | 62–66 wt% |
| Density (25°C) | 1.09–1.12 g/cm³ |
Q1: What are the key performance characteristics of ETERSET 2210AP?
A: ETERSET 2210AP is a medium-viscosity, general-purpose unsaturated polyester resin designed for excellent mechanical strength, good chemical resistance, and balanced cure speed. It offers consistent reactivity with standard peroxide initiators and delivers reliable surface hardness and dimensional stability in reinforced and non-reinforced castings.
Q2: Which curing agents are compatible with this resin?
A: ETERSET 2210AP is formulated to work effectively with common organic peroxides such as methyl ethyl ketone peroxide (MEKP) and benzoyl peroxide (BPO), depending on the application method and ambient conditions. Catalyst selection and dosage should be optimized based on processing requirements—including gel time, exotherm profile, and final cure depth.
Q3: Can ETERSET 2210AP be used in fiberglass-reinforced composites?
A: Yes—ETERSET 2210AP is widely employed in glass fiber reinforced plastic (GFRP) applications including tanks, ducts, and structural profiles. Its viscosity and reactivity support good wet-out of woven rovings and chopped strands, contributing to high fiber loading capacity and interlaminar bond integrity.
Q4: How should ETERSET 2210AP be stored to maintain stability?
A: Store in original sealed containers in a cool, dry, and well-ventilated area away from direct sunlight, heat sources, and strong oxidizers. Under recommended storage conditions, shelf life is typically 6 months from date of manufacture. Avoid prolonged exposure to elevated temperatures or moisture during handling.
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