High-Quality Cable Polyester PET Tape from China Suppliers & Factory for Welding, Communication, and Optical Cables
Product Description
Polyester tape for cables is a widely used material in cable manufacturing, mainly used for insulation, protection, and reinforcement of cables. The following is a detailed introduction to polyester tape for cables:
Polyester tape for cables is mainly made of polyester fibers and processed into a strip shape through different techniques. Polyester fiber is a synthetic fiber with excellent physical and chemical properties, such as high strength, wear resistance, corrosion resistance, heat resistance, etc.
Insulation protection
Polyester tape has good electrical insulation properties, which can effectively prevent current leakage and wire short circuits, and protect the conductors inside the cable from external environmental influences.
Enhanced mechanical performance
Polyester tape has high mechanical strength and dimensional stability, which can effectively enhance the mechanical performance of cables, improve their pressure resistance and wear resistance.
Waterproof and moisture-proof
Polyester tape has excellent waterproof and moisture-proof properties, which can maintain the insulation performance of cables in humid environments and prevent cable damage due to moisture.
Heat and corrosion resistance
Polyester tape can maintain stable performance over a wide temperature range (-60℃~150℃) and has good corrosion resistance, which can resist the erosion of various chemical substances.
Polyester tape for cables is widely used in fields such as power, communication, and automobiles. Polyester tape is commonly used in power cables to wrap and protect the insulation layer of the cable, improving the insulation performance and mechanical strength of the cable. Polyester tape can be used as a protective layer and reinforcement layer for optical fibers in communication cables to prevent fiber breakage and damage. In the automotive electrical system, polyester tape serves as a protective layer and insulation layer for wires and cables, improving the reliability and safety of the electrical system.
The manufacturing process of polyester tape for cables mainly includes extrusion, rolling, molding, etc. Among them, extrusion is the most commonly used molding method. After heating polyester particles into a melt, the molding material is extruded into a strip shape through an extruder, and then the finished product is obtained through cooling, cutting, and winding processes.
Parameters
Common Specification Table
| Properties | Unit | Specification | |||
|---|---|---|---|---|---|
| PET2.5 | PET3.6 | PET5.0 | PET10.0 | ||
| Thickness | mm | 0.025±0.003 | 0.036±0.003 | 0.05±0.005 | 0.10±0.007 |
| Grammage | g/m² | 35±5 | 55±5 | 70±5 | 140±5 |
| Tensile strength | N/cm | ≥30 | ≥40 | ≥50 | ≥70 |
| Elongation | % | ≥60 | ≥80 | ≥80 | ≥80 |
| Melting point | ℃ | ≥256 | ≥256 | ≥256 | ≥256 |
| Notice | Width: 15mm or more, can be cut into other specifications according to customer requirements. The minimum cutting width is 5m, and the inner core diameter ranges from 56-152mm. | ||||
| Support customizing other specifications | |||||
Detailed image
What are the primary materials used in polyester cable tape?
Polyester tape for cables is primarily made of polyester fibers, a synthetic material processed into a strip shape known for high strength, wear resistance, corrosion resistance, and heat resistance.
What are the main functions of polyester tape in cable manufacturing?
Its primary functions include electrical insulation protection, enhancing the mechanical strength and wear resistance of cables, providing waterproof and moisture-proof sealing, and offering heat and chemical corrosion resistance.
What is the operating temperature range of the polyester tape?
Polyester tape for cables maintains stable physical and chemical performance over a wide temperature range, specifically from -60℃ to 150℃.
In which industries is polyester cable tape commonly applied?
It is widely used in the power industry to wrap insulation layers, in communication cables to protect optical fibers, and in automotive electrical systems to insulate and protect wiring systems.
How is polyester tape for cables manufactured?
The manufacturing process includes extrusion, rolling, and molding. Extrusion is the most common method, where polyester particles are melted, extruded into a strip shape, cooled, cut, and wound into finished rolls.
Can the specifications of the polyester tape be customized?
Yes, while standard options range from PET2.5 to PET10.0, other specifications can be customized. The tape can be cut to widths of 15mm or more (minimum cutting width is 5m) with inner core diameters ranging from 56-152mm.

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