Unsaturated polyesters are extremely versatile, being rigid, resilient, flexible, corrosion-resistant, weather-resistant or flame-resistant. It can be used without fillers, with fillers, reinforced or pigmented. It can be processed at room temperature or high temperature. Therefore, unsaturated polyester has been widely used in boats, showers, sports equipment, automotive exterior parts, electrical components, instrumentation, artificial marble, buttons, corrosion-resistant tanks and accessories, corrugated boards and plates. Automotive refinishing compounds, mining pillars, imitation wood furniture components, bowling balls, reinforced plywood for thermoformed Plexiglas panels, polymer concrete and coatings.