Fibre-reinforced plastic (FRP) (also fibre-reinforced polymer) are composite materials made of a polymer matrix reinforced with fibres. There are three important categories of fibre used in FRP,glass, Carbon and Aramid. Glass fibre reinforcement was tested in military applications at the end of World War Two, Carbon fibre production began in the late 1950s and was used, though not widely, in British industry beginning in the early 1960s, aramid fibres were being produced around this time also, appearing first under the trade name Nomex by DuPont. Today each of these fibres is used widely in industry for any applications that require plastics with specific strength or elastic qualities. Glass fibres are the most common across all industries, although carbon fibre and carbon fibre aramid composites are widely found in aerospace, automotive and sporting good applications.
| Reinforcing Material | Most Common Matrix Materials | Properties Improved |
|---|---|---|
| Glass Fibres | UP, EP, PA, PC, POM, PP, PBT, VE | Strength, Elastic, heat resistance |
| Carbon and Aramid Fibres | EP, UP, VE, PA | Elasticity, Tensile Strength |
| Inorganic Particulates | Semicrystalline Thermoplastics, UP | Isotropic shrinkage, abrasion, compression strength |
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