Factory Supply Unsaturated Polyester Resin UPR General Purpose For FRP Fiberglass Artificial Marble

Unsaturated Polyester Resin (UPR) is a thermosetting liquid polymer dissolved in styrene monomer, designed for composite material manufacturing. With CAS 26123‑45‑5, this general‑grade resin is light yellow transparent viscous liquid with stable viscosity and steady batch‑to‑batch quality. As cost‑effective matrix resin for fiberglass‑reinforced plastic (FRP), it possesses outstanding processability and versatile performance for diverse industrial scenarios.

Key Product Advantages ‑ Convenient room‑temperature curing: It can be cured under ambient temperature with accelerator and initiator, no high‑temperature equipment required, lowering manufacturing cost and simplifying operation procedures. ‑ Superior mechanical property: High tensile strength, favorable hardness and impact resistance after full curing, guaranteeing structural durability of finished goods. ‑ Fine chemical and corrosion resistance: Resist erosion from acid, alkali and common chemical media, fit for marine equipment and chemical anti‑corrosion projects. ‑ Multiple‑process compatibility: Suitable for hand lay‑up, spray‑up, filament winding, RTM and pultrusion molding to satisfy different production demands. ‑ Excellent glass fiber wettability: Realize uniform impregnation and tight interfacial bonding to lift overall performance of FRP products. ‑ Customizable grades: General‑purpose, flame‑retardant, weather‑resistant, low‑shrink and artificial‑marble dedicated grades are optional for customized requirements.