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Characteristics and advantages of FRP

Release Time:2019/10/28 Click on：1826

　　Light weight, high strength

　　The relative density is between 1.5~2.0, only 1/4~1/5 of carbon steel, but the tensile strength is close to, even more than carbon steel, and the specific strength can be compared with high-grade alloy steel. Therefore, in aviation, rockets, space vehicles, high pressure vessels and other products in the need to reduce the weight of the outstanding results. The tensile, bending and compression strength of some epoxy FRP can reach above 400Mpa.

　　Good corrosion resistance, FRP is a good corrosion resistance material, the atmosphere, water and general concentration of acid, alkali, salt and a variety of oils and solvents have a good resistance. Has been applied to various aspects of chemical anti-corrosion, is replacing carbon steel, stainless steel, wood, non-ferrous metals and so on.

　　Good electrical performance is a good insulating material, used to make insulation. Good dielectric protection at high frequencies. Microwave is widely used in radome because of its good transmittance.

　　Good thermal performance

　　FRP thermal conductivity is low, 1.25~1.67kJ/(m·h·K) at room temperature, only 1/100~1/1000 of metal, is a good insulation material. In the case of instantaneous ultra-high temperature, it is an ideal thermal protection and ablative resistance material, which can protect the space vehicle from the scour of high-speed airflow at more than 2000℃.

　　Good designability

　　(1) according to the needs, can flexibly design a variety of structural products, to meet the use of requirements, can make the product has a good integrity.

　　(2) materials can be fully selected to meet the performance of the product, such as: can be designed to withstand corrosion, withstand instantaneous high temperature, a particular direction of the product has high strength, good dielectric, and so on.

Excellent workmanship

(1) according to the shape of the product, technical requirements, use and quantity to flexibly choose molding process.

(2) the process is simple, can be formed in one time, the economic effect is outstanding, especially for the shape is complex, not easy to form the number of products, more prominent its technological advantages.