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  • What are the advantages of copper core cable compared to aluminum core cable?

    1. Low resistivity: The resistivity of aluminum core cable is about 1.68 times higher than that of copper core cable. 2. Good ductility: the ductility of aluminum alloy is 20-40%, that of copper for electrical use is above 30%, while that of aluminum alloy is only 18%. 3. High strength: the allow...
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  • Why do cables need to be painted with fire-resistant soil coatings? How to apply fire retardant paint?

    Why do cables need to be painted with fire-resistant soil coatings? How to apply fire retardant paint?

    Cable fire retardant coating is a kind of fire protection, according to the national standard “GB cable fire retardant coating”, cable fire retardant coating refers to the coating on cables (such as rubber, polyethylene, polyvinyl chloride, cross-linked polyethylene and other material...
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  • VOCs standard gas contributes to environmental improvement and makes a great difference

    VOCs standard gas contributes to environmental improvement and makes a great difference

    1. Standard gas for monitoring volatile organic compounds (VOCs) Volatile organic compounds (VOCs) participate in the photochemical reaction of ozone and particulate matter (PM2.5) in the atmospheric environment, are the main culprits of regional atmospheric ozone pollution and PM2.5 pollution, a...
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  • Discussion on the Use of Standard Gas in Environmental Monitoring

    Discussion on the Use of Standard Gas in Environmental Monitoring

    With the continuous development of national economy and science and technology, gases are widely used in various fields such as chemical industry, metallurgy, aerospace and environmental protection. As an important branch of the gas industry, it plays a role in standardizing and quality assurance...
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  • Factors affecting standard gas stability

    Factors affecting standard gas stability

    Factor-1 raw material The balanced gas of the standard gas is nitrogen, air, etc. The lower the water content of the balanced gas, the lower the oxygen impurities, and the better the concentration stability of the standard gas component. Factor-2 pipeline material It mainly refers to the material...
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  • How to identify the pros and cons of flanged rubber expansion joints?

    How to identify the pros and cons of flanged rubber expansion joints?

    Distinguish the pros and cons of rubber expansion joints, 1. Identify and analyze the color of rubber expansion joints. Better insulating rubber expansion joints have bright colors, deep color purity and smooth surface. In contrast, the secondary film is dull in color, with a rough surface and ai...
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  • Introducing a special cable for you – coaxial cable

    Introducing a special cable for you – coaxial cable

    With the continuous expansion of the power industry, data communication industry and other industries, the demand for wires and cables will also increase rapidly, and the requirements for wires and cables will become more and more strict. There are more types of them, not only wire and cable for ...
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  • Structure of marine power cables

    Structure of marine power cables

    Structure of marine power cables Usually, a power cable consists of a conductor (cable core), an insulating layer (the insulating layer can withstand the voltage of the grid), a filling and shielding layer (made of semiconductor or metal materials), a sheath (maintaining the insulation propertie...
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  • 【Must charge technology】——“Shore power” ship charging pile

    【Must charge technology】——“Shore power” ship charging pile

    Shore power ship charging piles include: AC shore power piles, DC shore power piles, and AC-DC integrated shore power piles provide power supply through shore power, and the shore power piles are fixed to the shore. The shore power ship charging pile is mainly a charging device used for charging ...
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  • Desulfurization wastewater treatment equipment can operate stably

    Desulfurization wastewater treatment equipment can operate stably

    In the production of flue gas desulfurization in thermal power plants, due to the influence of the desulfurization process and flue gas, the wastewater contains a large amount of insoluble substances, such as calcium chloride, fluorine, mercury ions, magnesium ions and other heavy metal elements....
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  • With flexible cables, these “lightning spots” should be avoided!

    With flexible cables, these “lightning spots” should be avoided!

    Flexible cables include chain moving systems, power transmission materials, cables preferred for signal transmission carriers, also known as chain cables, trailing cables, moving cables, etc. The outer bread, usually consisting of one or more wires, is an insulated wire that conducts current with...
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  • Introducing a special cable for you – coaxial cable

    Introducing a special cable for you – coaxial cable

    With the continuous expansion of the power industry, data communication industry and other industries, the demand for wires and cables will also increase rapidly, and the requirements for wires and cables will become more and more strict. There are more types of them, not only wire and cable for ...
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