Excellent balance of mechanical strength and impact resistance for structural composite parts.
Good reactivity with standard MEKP initiators, enabling reliable room-temperature and elevated-temperature curing.
Low viscosity (25°C) for superior fiber wet-out and improved processability in hand lay-up and spray-up operations.
High solids content ensures low styrene emission during processing, supporting safer workplace conditions.
Consistent batch-to-batch quality with strict raw material control and ISO-certified manufacturing.
Fiberglass-reinforced plastic (FRP) tanks and chemical storage vessels.
Marine components including boat hulls, decks, and fenders.
Transportation panels for buses, trucks, and rail car interiors.
Industrial grating, ducting, and corrosion-resistant linings.
Architectural cladding and decorative molded products.
| Chemical Type | Orthophthalic unsaturated polyester resin |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Viscosity (25°C) | 350–450 mPa·s |
| Gel Time (with 1.0% MEKP, 25°C) | 8–12 minutes |
| Styrene Content | 38–42 wt% |
| Density (25°C) | 1.11–1.13 g/cm³ |
| Refractive Index (25°C) | 1.525–1.535 |
Q1: What are the primary application areas for ETERSET 2210?
A: ETERSET 2210 is widely used in reinforced composites requiring good mechanical strength and surface finish, including marine hulls, automotive body panels, industrial tanks, and corrosion-resistant laminates. It is especially suited for hand lay-up and spray-up processes where balanced reactivity and low exotherm are desired.
Q2: How does ETERSET 2210 compare to general-purpose unsaturated polyester resins in terms of gel time and cure profile?
A: ETERSET 2210 offers a moderately extended gel time compared to standard orthophthalic resins, supporting improved working time during fabrication while still enabling efficient post-cure development. Its cure profile is formulated to deliver consistent crosslink density with common peroxide initiators, minimizing residual styrene volatility and enhancing dimensional stability.
Q3: Which initiators and accelerators are compatible with ETERSET 2210?
A: ETERSET 2210 is fully compatible with standard methyl ethyl ketone peroxide (MEKP) initiators and cobalt-based accelerators. It also performs well with low-cobalt or cobalt-free accelerator systems designed for reduced yellowing and improved outdoor durability, depending on end-use requirements.
Q4: Is ETERSET 2210 suitable for applications requiring enhanced weather resistance?
A: While not classified as a premium isophthalic or vinyl ester resin, ETERSET 2210 provides improved hydrolytic stability and UV resistance over conventional orthophthalic resins due to its optimized backbone structure and controlled molecular weight distribution—making it appropriate for semi-exposed applications when combined with proper pigment and topcoat systems.
Q5: What viscosity range can be expected for ETERSET 2210 at room temperature?
A: ETERSET 2210 exhibits a medium-viscosity profile, facilitating good wet-out of fiberglass reinforcements without excessive thinning. Its viscosity allows for easy handling in both manual and semi-automated processing methods, though exact values may vary slightly depending on ambient temperature and batch-specific formulation adjustments.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China