FRP stands for Fiber Reinforced Plastic, a term commonly used in North America in the U.S. GRP is a term that means the same thing. However, it is commonly used in Europe and Asia to stand for glass fiber reinforced plastic.
What is fiber reinforced plastic/polymer (FRP)?
Fiber reinforced polymers consist of two main components; fibers and a polymer matrix. In FRP, the fibers are embedded in a polymer matrix. This structure provides chemical and physical properties that are completely different from the properties of the individual materials. In fact, these materials meet higher engineering requirements than ordinary materials. As a result, composites are used in less sophisticated very complex and demanding manufacturing tasks. The mechanical, civil, biomedical, marine and aerospace industries are the main users of composites.
The main role of fibers is to provide strength and stiffness to the material. However, the fibers alone are brittle (e.g., glass). Therefore, fibers are encapsulated in a polymer material coating. The polymer matrix holds the fibers in their position and transfers the load between the fibers. It also contributes to the interlaminar shear strength.
The following fibers are used in composites: E glass, S glass, quartz, aramid (Kevlar 49), Spectra 1000, carbon (AS4), carbon (IM-7), graphite (P-100) and boron. Polyester, vinyl ester, epoxy, bismaleimide, polyimide, and phenolic resins are the polymers used. Each polymer has different chemical and physical properties; therefore, contributes differently to the composite structure. As a result, the properties of the composites also vary from polymer to polymer.
Polyester and vinyl are low-cost materials and are therefore widely used in commercial applications. Epoxy resins are used in high-performance continuous fiber matrices. It also outperforms vinyl and polyester under high temperature conditions. Bismaleimide and polyimide are high temperature resin matrices used in temperature critical engineering applications. Phenolic resins are high-temperature resin systems with good smoke and fire resistance; therefore, they are used in aircraft interiors.
Fiber reinforced polymers consist of two main components; fibers and a polymer matrix. In FRP, the fibers are embedded in a polymer matrix. This structure provides chemical and physical properties that are completely different from the properties of the individual materials. In fact, these materials meet higher engineering requirements than ordinary materials. As a result, composites are used in less sophisticated very complex and demanding manufacturing tasks. The mechanical, civil, biomedical, marine and aerospace industries are the main users of composites.
The main role of fibers is to provide strength and stiffness to the material. However, the fibers alone are brittle (e.g., glass). Therefore, fibers are encapsulated in a polymer material coating. The polymer matrix holds the fibers in their position and transfers the load between the fibers. It also contributes to the interlaminar shear strength.
The following fibers are used in composites: E glass, S glass, quartz, aramid (Kevlar 49), Spectra 1000, carbon (AS4), carbon (IM-7), graphite (P-100) and boron. Polyester, vinyl ester, epoxy, bismaleimide, polyimide, and phenolic resins are the polymers used. Each polymer has different chemical and physical properties; therefore, contributes differently to the composite structure. As a result, the properties of the composites also vary from polymer to polymer.
Polyester and vinyl are low-cost materials and are therefore widely used in commercial applications. Epoxy resins are used in high-performance continuous fiber matrices. It also outperforms vinyl and polyester under high temperature conditions. Bismaleimide and polyimide are high temperature resin matrices used in temperature critical engineering applications. Phenolic resins are high-temperature resin systems with good smoke and fire resistance; therefore, they are used in aircraft interiors.
What is Glass Reinforced Plastic (GRP) / Glass Fiber Reinforced Plastic (GFRP)?
Glass Reinforced Plastic, commonly known as fiberglass, is a fiber reinforced polymer that contains glass fibers in a composite structure. The polymer is usually epoxy, polyester or vinyl. Fiberglass materials are commonly used in high performance recreational aircraft and gliders, boats, automobiles, bathtubs, hot tubs, water tanks, roofing products, pipes, cladding, castings, surfboards, and exterior door skins.
Glass Reinforced Plastic, commonly known as fiberglass, is a fiber reinforced polymer that contains glass fibers in a composite structure. The polymer is usually epoxy, polyester or vinyl. Fiberglass materials are commonly used in high performance recreational aircraft and gliders, boats, automobiles, bathtubs, hot tubs, water tanks, roofing products, pipes, cladding, castings, surfboards, and exterior door skins.
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