PULTRUSION: A PROFICIENT WAY TO MANUFACTURE FRP
The pultrusion process involves pulling or drawing fibreglass though a liquid resin which saturates the glass fortification. This saturation with the resin mixture allows for multi-directional reinforcement, resulting into a strong material. The types of resins can consist of polyester, vinyl ester, polyurethane and epoxy. A surface veil may also be added to protect against erosion or fibre bloom and provide corrosion resistance and ultraviolet resistance. The combination of resin and fibreglass is then pulled through polymerization using a continuous pulling device. The accumulated reinforcement material is formed that corresponds to the shape of the die, which is rigid as well as structurally durable shape. Finally, the resultant high-strength profile is then cut to length, thus making it ready-for-use. Benefits of Pultrusion Process Manufacturing of composite materials: The man-made materials that help in the construction are referred to as composite materials. Concrete, cement and fibre reinforced polymer are some examples of composite materials. Enhanced strength: The pultrusion process increases the quality of the output such as fibre reinforced polymer, which is stronger than steel but comparatively less heavy. Premium quality: A range of engineering products, including SMC compression mould, dies and tools, go through strict quality checks at a number of stages for producing high fibre content and delivering consistent quality of composite materials through an extremely automated production process. Cost-effective: The final products manufactured with the pultrusion are of excellent nature, as they generally acquire a long-life cycle and low maintenance cost. Hence, this can be considered as a fast, and therefore an economic way of impregnating and curing materials. So, it is always recommended that every industrialist wants to adopt this technology for manufacturing importing a range of superior-quality engineering products from distinguished suppliers of the pultrusion industry's machinery and tools. Industrial applications of Pultrusion Process (fibre reinforced plastic materials) Cooling towers, conveyor systems, bridge hanger communication supports, retaining walls, third rail coverboards / transit, railway crossing gate arms, solar racking systems, waste water and water treatment components, utility cross arms, blast deflector shield, utility poles, sheet pile, agricultural, chemical plants (corrosion), docks, ladders, railings, pergolas, bridge components, tarp stiffeners, truck components, corrosion resistant industrial handrails, antenna housing, building construction, trash gates, cellular, electric utility, infrastructure, parks and recreation, tool handles, military, pulp and paper products. -------------- References: http://compositeslab.com/composites-manufacturing-processes/closed-molding/ http://www.libertypultrusions.com/pultrusion-vs-other-materials/