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Excellent mechanical strength and dimensional stability after curing.
Good compatibility with standard styrene monomers and common accelerators.
Low viscosity for easy handling, impregnation, and fiber wet-out in composites.
Balanced reactivity enabling reliable gel time control under ambient and elevated conditions.
Superior chemical resistance to dilute acids, alkalis, and salt solutions.
Fiberglass-reinforced plastic (FRP) tanks and vessels for industrial corrosion protection.
Structural pultruded profiles including gratings, ladders, and cable trays.
Sheet molding compound (SMC) for automotive and electrical enclosures.
Centrifugal casting of pipes and fittings for water and wastewater infrastructure.
Hand lay-up and spray-up fabrication of marine decks, panels, and recreational equipment.
| Chemical Type | Orthophthalic unsaturated polyester resin |
| Product Form | Liquid, ready-to-use |
| Appearance | Clear to pale yellow, homogeneous liquid |
| Viscosity (25°C) | 350–450 mPa·s |
| Acid Value | 18–22 mg KOH/g |
| Solid Content | ≈62–65 wt% (in styrene) |
| Gel Time (100 g, 2% MEKP, 25°C) | 12–18 minutes |
| Primary Applications | FRP, SMC, pultrusion, centrifugal casting, hand lay-up |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
