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What is the difference between a PVC plug power cord and a rubber power cord?

source:Industry News     Popular:adapter     release time:2021-05-19 11:10:44     Article author:sznbone    

  Among the materials frequently used in plug power cords, rubber cords are suitable for electrical connections in power devices, household appliances, power tools, construction lighting, and machine interiors that require soft or mobile locations with AC rated voltages of 300V/500V and 450/750V and below. Wire or wiring. PVC wire is mainly used for the internal connection of electronic and electrical equipment. Rubber is very soft, good elasticity, cold resistance, high temperature resistance, oil resistance, UV resistance, good flexibility, and high strength. This is not comparable to ordinary plastic threads.

What is the difference between a PVC plug power cord and a rubber power cord?(图1)

  British assembly head + product suffix

  The surface of the PVC line pipe is smooth, the fluid resistance is small, and it does not scale and is not suitable for the breeding of microorganisms. The coefficient of thermal expansion is small and does not shrink or deform. Rubber thread has certain weather resistance and certain oil resistance, can withstand greater mechanical external force, soft, good elasticity, cold resistance, ultraviolet resistance, good flexibility, high strength, PVC material is cheaper than rubber material.

  PE Polyethylene is a kind of plastic with better insulation than pvc plastic. Because of this, it is often used to make the insulation layer of cables.

  PP Polypropylene, this plastic has better environmental adaptability than pe. But because polypropylene will be corroded by copper, if this plastic is used to make cable insulation, the copper core can only be tinned.

  PA polyamide or nylon has many advantages, such as strong abrasion resistance, good oil resistance, good heat resistance, high temperature resistance, and good water absorption. But one of the shortcomings is poor insulation.

  FEP is a kind of fluoroplastics, which is characterized by good cold resistance, corrosion resistance and low water absorption. But like PP, it is "afraid" of copper corrosion, so it can only be used with tinned core materials.

  There are also rubber wires. Rubber wires are also called rubber sheathed wires. They are double-insulated wires; the outer sheath and insulating layer are made of rubber, and the conductor is pure copper. In the plug power cord industry, chlorinated polyethylene (CPE) is usually used as the insulation layer, and the temperature is -40°C~105°C. The performance determines that the rubber wire can only be used in low-voltage and low-frequency environments.


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