China Polyester PET Tape for Cable Wrapping - Top Suppliers & Factory Quality Insulation Solutions
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:
1. Material Composition
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.
2. Main Functions
Insulation protection: Good electrical insulation properties, effectively preventing current leakage and wire short circuits.
Enhanced mechanical performance: High mechanical strength and dimensional stability, improving pressure and wear resistance.
Waterproof and moisture-proof: Maintains insulation performance in humid environments.
Heat and corrosion resistance: Stable performance over a wide temperature range (-60℃~150℃) and resists chemical erosion.
3. Application Fields
Widely used in power, communication, and automotive fields. Commonly wrapped around the insulation layer of power cables, used as a protective and reinforcement layer for optical fibers in communication cables, and serves as wire harness protection in automotive systems.
4. Manufacturing Process
Mainly includes extrusion, rolling, and molding. Extrusion is the most common method: heating polyester particles into a melt, extruding the material into a strip shape, followed by cooling, cutting, and winding processes.
Parameters
| 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 | |||||
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Frequently Asked Questions (FAQ)
Q: What is the primary material of polyester tape for cables?
A: It is mainly composed of high-strength synthetic polyester fibers, which offer excellent physical and chemical properties such as wear resistance, corrosion resistance, and heat resistance.
Q: What are the key benefits of using polyester tape in cables?
A: The tape provides reliable electrical insulation, enhances mechanical strength (pressure and wear resistance), offers waterproof and moisture-proof protection, and maintains stability under chemical exposure and temperature variations.
Q: What is the operating temperature range for this polyester tape?
A: Polyester cable tape maintains stable mechanical and insulation performance over a wide temperature range of -60℃ to 150℃.
Q: In which fields is polyester cable tape most commonly applied?
A: It is widely utilized in power cables for insulation wrapping, communication cables for optical fiber protection, and automotive electrical systems to protect wiring harnesses.
Q: Can the specifications of the polyester tape be customized?
A: Yes, we support custom specifications. While standard widths start from 15mm, we can accommodate custom cutting widths (minimum 5m) and various inner core diameters (56-152mm) based on customer requirements.

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