The pultrusion profile process is a method of forming FRP profiles by pulling continuous glass fibre bundles impregnated with epoxy resin glue and other continuous reinforcing materials such as glass cloth tape and polyester surface mats under traction, forming FRP profiles by extruding the mold and curing them with heat in the mold and curing furnace.
The epoxy resin pultrusion process is an efficient manufacturing process that is widely used in electric power, chemical industry, metallurgy and other fields to produce products with high strength, corrosion resistance and wear resistance. This process uses epoxy resin as the basic material and is manufactured through multiple processes such as preheating, pressure heating, and extrusion molding.
The requirements for epoxy resin glue in the pultrusion molding process are: low viscosity, easy to penetrate reinforced materials, long gel time (usually requires a service life of more than 8 hours), and fast curing to meet the requirements of continuous molding, good adhesion, the curing shrinkage is small, the flexibility is good, and the products are not prone to cracks.
Advantages of epoxy resin pultrusion process
High flexibility: The epoxy resin pultrusion process can manufacture products of various shapes, such as pipes, plates, etc., and can be customized as needed to meet the needs of different fields.
High strength: Epoxy resin has high strength. During the production process, the pultrusion process uses high-pressure heating to make the resin more uniform, thus greatly improving the strength of the product.
Good corrosion resistance: Epoxy resin has excellent corrosion resistance and can withstand the erosion of corrosive media such as acids, alkalis, and salts, thereby extending the service life of the product.
Strong wear resistance: Epoxy resin has good wear properties and can be used in high-strength, high-friction environments, greatly extending the service life of the product.
Comparison between epoxy resin pultrusion process and traditional processing methods
Compared with traditional processing methods, the epoxy resin pultrusion process has the following advantages:
High production efficiency: Using the pultrusion process can greatly improve production efficiency, shorten the production cycle, and reduce production costs.
Energy saving and environmental protection: The pultrusion process does not require the use of a large number of auxiliary agents, which can save energy. At the same time, the epoxy resin can be recycled, reducing environmental pollution.
High technical content: The epoxy resin pultrusion process requires multiple manufacturing processes, which requires high production technology and can improve the quality and service life of the product.
Application prospects of epoxy resin pultrusion process
With the increasing awareness of environmental protection, the application prospects of the epoxy resin pultrusion process are becoming more and more broad. Epoxy resin products can replace traditional metal materials and have the advantages of lightweight, high strength, safety and reliability. They are widely used in various fields such as electric power, chemical industry, metallurgy and so on.
The epoxy resin pultrusion process is an efficient, flexible, corrosion-resistant, and wear-resistant manufacturing process. Compared with traditional processing methods, it has the advantages of high production efficiency, energy saving, environmental protection, and high technical content. With the increasing awareness of environmental protection, its application prospects in various fields are broad.
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