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What is XLPE Insulated Wire?
XLPE (Cross-Linked Polyethylene) insulated wire is a type of power cable where the insulation is made from a special grade of polyethylene that has undergone cross-linking. Cross-linking is a process where individual polymer chains are chemically bonded to one another, resulting in a three-dimensional network structure.
Product Categories
What are the types of XLPE Insulated Wire wires and how to choose the right one?
Single Conductor Wires:
Single conductor wires are the most common electrical wires used in homes and buildings. They are used to connect electrical devices and appliances to power sources. Single conductor wires consist of a single wire made of copper or aluminium, which is covered with a plastic jacket or insulation. These wires are available in different gauges; the gauge you need will depend on how much current the wire will carry.
Multi-Conductor Wires:
As the name suggests, multi-conductor wires consist of multiple conductors or wires bundled together in a single jacket. These wires are commonly used in applications where several wires need to be connected to a single power source. Multi-conductor wires are commonly used in intercom systems, security systems, and HVAC systems. These wires are also available in different gauges, and you’ll need to choose the right gauge based on the current the wires will carry.
Coaxial Cables:
Coaxial cables are used to transmit radio frequency signals, such as those used for cable TV and internet connections. These cables consist of a central conductor wire, surrounded by a layer of insulation, and an outer conductor or shield. The shield helps to prevent interference from other electronic devices. Coaxial cables are available in different gauges, and you’ll need to choose the right gauge based on the frequency of the signal you want to transmit.
Ethernet Cables:
Ethernet cables are used to connect devices to the internet. These cables consist of twisted pairs of wires covered with insulation and a protective jacket. Ethernet cables are available in different categories, ranging from Category 5 to Category 8. The category you choose will depend on the speed and distance of the network you want to create.
Twisted Pair Cables:
Twisted pair cables are used to transmit data signals, such as those used in telephone systems and computer networks. These cables consist of two insulated wires twisted together, which helps to prevent interference from other electronic devices. Twisted pair cables are available in different categories, ranging from Category 1 to Category 7. The category you choose will depend on the speed and distance of the network you want to create.
Fiber Optic Cables:
Fiber optic cables are used to transmit data signals over long distances at high speeds. These cables consist of a central core made of glass or plastic, surrounded by insulation layers and a protective jacket. The core transmits the data signals using light, allowing faster transmission speeds and better signal quality. Fiber optic cables are commonly used in telecommunications, cable TV, and internet systems.
How to Choose the Right Electrical Wire:
Choosing a suitable electrical wire is crucial to ensure safety and reliability. Here are some factors to consider when choosing the right electrical wire for your needs.
Wire Gauge:
The wire gauge refers to the diameter of the wire and is an important factor to consider when choosing electrical wire. Your gauge will depend on how much current the wire will carry. If the wire carries too much current, it can overheat and cause a fire. If the wire carries too little current, it may not provide enough power to the device or appliance.
Insulation:
The insulation of the wire is another important factor to consider. The insulation protects the wire from damage and prevents electrical shocks. Different types of insulation are used for different applications. For example, PVC insulation is commonly used for indoor applications, while rubber insulation is used for outdoor applications.
Temperature Rating:
The temperature rating of the wire refers to the maximum temperature the wire can withstand. If the wire is exposed to temperatures higher than its rating, it can melt or catch fire. It’s important to choose a wire with a suitable temperature rating for the application.
Voltage Rating:
The voltage rating of the wire refers to the maximum voltage the wire can carry. If the voltage is too high, it can damage the wire and create a safety hazard. Choosing a wire with a voltage rating suitable for the application is important.
Main uses of XLPE Insulated Wire
Plastic insulated wire: Its advantages are good insulation performance, simple manufacturing process, and low price. It can replace rubber insulation regardless of whether it is exposed or piped, thereby saving a lot of rubber and cotton yarn.
Neoprene rubber insulated wires: Good oil resistance, not prone to mildew, no flame retardation, good climate adaptability, slow photoaging process, and the aging time is about twice that of ordinary rubber insulated wires, so they are suitable for outdoor laying. Since the mechanical strength of the insulation layer is weaker than ordinary rubber, it is not recommended for pipe laying.
Overhead insulated wires: Used increasingly widely, they have excellent light aging resistance and are mainly used in places with high groundwater levels and chemically corrosive liquid overflows. When there are not many wires required outside the second factory area and it is inconvenient to bury them underground, this wire It is especially suitable for the reconstruction of urban distribution lines.
Visco-impregnated low-insulation power wires: Allow for higher operating temperatures, low dielectric loss, high voltage resistance, and long service life. Its shortcomings are poor bending properties of the insulation material and cannot be laid at low temperatures, otherwise the insulation will be easily damaged.
Polyvinyl chloride insulated and sheathed power wires (referred to as all-plastic wires or plastic wires) are easy to process, have no laying height difference restrictions, are light in weight, have good bending properties, are easy to make joints, are oil-resistant, acid-alkali-resistant, and do not delay flames. It has an internal armored structure to protect the steel strip or wire from corrosion and is cheap.
Rubber insulated power wire: It has good bending performance and can be laid in severe cold climates. It is especially suitable for laying lines with horizontal height differences and vertical laying occasions. It is not only suitable for fixed laid lines, but also for fixed laid lines that move regularly.
Metal sheathed mineral insulated wire: High temperature resistant, with copper or aluminum outer sheath and magnesium oxide insulation. It is suitable for steel industry, power plants, oil depots, high-rise building nuclear power plants, oil production platforms, cold storage, etc. AC rated voltage 500V (DC voltage 1000V) and below high temperature, high humidity, flammable and explosive environments.
Advantages Of Xlpe Insulated Wire
Light in Weight
XLPE insulated cables are lightweight, which makes them easier to transport, handle, and install, especially in large-scale projects.
Simple Accessories
Minimum tools and equipment are needed for the installation of XLPE insulated wires, further streamlining the installation process and reducing complexity. This simply means cost savings and efficiency for installers.
Strong Load Capacity
Strong load-carrying capacities enable XLPE insulated wires to easily handle large electrical loads.
High Heat Resistance
Excellent heat resistance is ensured by XLPE insulation, which enables the cables to function and remain undamaged even at high temperatures.
Strong Electrical Performance, Low Dielectric Loss
Strong electrical performance and low dielectric loss can be observed by XLPE insulated cables, which lead to effective power transmission and minimal energy loss.
Excellent Aging Resistance and Super Heat Deformation Resistance
XLPE insulation shows excellent ageing resistance, maintaining its performance and integrity over time even under harsh environmental conditions.
Insulation performance: With the continuous innovation of technology, XLPE is used as the insulation material, which maintains the excellent insulation properties of PE, and further increases the insulation resistance on this basis. Its dielectric loss tangent is very small and is not greatly affected by temperature.
Heat resistance: Technological innovation makes the XLPE with three-dimensional network structure have very good heat resistance, it is not easy to decompose and carbonize in high temperature environment, the long-term working temperature can be as high as 90 ℃, and the service life can reach 40 years.
Mechanical properties: Due to the establishment of a new chemical structure between molecules, XLPE has greatly improved in terms of hardness, stiffness, wear resistance and impact resistance, and also made up for the easy The disadvantage of cracking due to environmental stress.
Chemical resistance: XLPE material has strong alkali resistance and oil resistance, and its combustion products are mainly water and carbon dioxide, which is less harmful to the environment and meets the requirements of modern fire safety.
Polyethylene contains two elements, carbon and hydrogen. Both hydrocarbons belong to high molecular compounds and have a linear molecular structure. They are in solid state at room temperature, and they are crystalline and amorphous in solid state polyethylene. Polyethylene has excellent electrical insulation properties, but its heat resistance is not very good, which affects its use as cable insulation materials. Due to the weak intermolecular interaction in the amorphous region, its mechanical strength decreases significantly when it approaches the melting point of polyethylene, and its resistance to cracking also becomes poor.
When the linear macromolecular chain undergoes chemical or physical methods, the polyethylene molecule is transformed from a linear molecular structure to a main network molecular structure, that is, thermoplastic polyethylene is transformed into a thermosetting cross-linked polyethylene. This process is called cross-linking. Cross-linked polyethylene has greatly improved heat resistance and mechanical properties, reduced its shrinkage, made it no longer melt after being heated, and maintained excellent electrical properties, so it began to be widely used in power cables insulation material.
The role of XLPE Insulated Wire
Isolate current
The insulation layer of insulated wires has good insulation properties and can isolate current and prevent current leakage, thus ensuring the safety of people and equipment.
Prevent wire aging
The insulation layer can prevent the aging and deterioration of wires and increase the service life of wires.
Reduce power loss
Insulation allows electrical current to flow better in wires, thereby reducing power loss and making wires more efficient.
Protect the internal circuit of the wire
The insulation layer protects the internal circuit of the wire from electromagnetic interference from the outside.
Our Factory
With strong belief in honesty and credit, we have built strong business relationships with many companies all over the world. We commit ourselves to providing our customers with superior quality, excellent service and competitive prices. We sincerely welcome customers at home and abroad to cooperate with us on the basis of mutual benefit. We will add value to anyone who will be our customer.
FAQ
Zhejiang IRONFLON Wire & Cable Co., Ltd. is well-known as one of the leading xlpe insulated wire manufacturers and suppliers in China. If you're going to buy high quality xlpe insulated wire made in China, welcome to get free sample from our factory. Also, customized service is available.
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