Introduction
Mylar tape, also known as PET tape, is a high-performance insulating material widely used in electrical and electronic industries. It is manufactured using polyethylene terephthalate (PET) film as the base material and coated with flame-retardant acrylic adhesive. Due to its excellent electrical insulation properties, high-temperature resistance, and flame retardancy, Mylar tape has become the preferred choice for applications requiring durable and reliable insulation.
What is Mylar Tape?
Mylar is a trademarked name originally registered by DuPont for PET film. Over time, “Mylar tape” has become a generic term for PET-based insulating tapes. PET film is known for its strength, transparency, and resistance to moisture and chemicals, making it an excellent material for electrical insulation applications. The combination of PET film and acrylic adhesive results in a tape that adheres well to surfaces while providing long-lasting insulation.
Key Features of Mylar Tape
- Material: PET film
- Adhesive Type: Solvent or rubber
- Color Options: Green, Red, White, Transparent, etc.
- Thickness Range: 55 mic – 130 mic
- Length Options: 33 m, 55 m, 66 m, or custom lengths
- Temperature Resistance: Up to 130°C
- Elongation: 100%
- Peel Strength: ≥ 250 N/M
- Electrical Corrosion Coefficient: 1.0
- Breakdown Voltage: 5.5 KV
- Flame Retardant Grade: 94 V-0
- Adhesive Force: 0.50 kg/25 mm
Applications of Mylar Tape
Mylar tape is primarily used in electrical insulation applications where high dielectric strength and temperature resistance are required. Some of its most common applications include:
- Transformer Insulation: Used for wrapping and insulating transformer coils to prevent electrical short circuits.
- Motor and Capacitor Wrapping: Provides an effective barrier for electrical insulation and mechanical protection.
- Electronic Components Protection: Ideal for circuit boards, power supplies, and electronic components that require high voltage isolation.
- Wire and Cable Wrapping: Ensures safe insulation in wiring harnesses and power distribution systems.
- Battery Pack Protection: Used in flexible lithium-ion battery assembly for insulation and bundling.
Benefits of Mylar Tape
- Superior Electrical Insulation: High dielectric strength prevents electrical leakage and short circuits.
- Flame Retardant Properties: Meets UL94 V-0 standard, ensuring enhanced safety in electrical applications.
- Excellent Temperature Resistance: Can withstand up to 130°C, making it suitable for high-heat environments.
- Chemical and Solvent Resistance: Provides reliable protection against various chemicals and environmental factors.
- Durability and Flexibility: High tensile strength and elongation allow it to be used in demanding applications without tearing.
- Customizable Options: Available in different thicknesses, colors, and adhesive types to meet specific requirements.
How Mylar Tape Compares to Other Insulation Materials
Mylar tape stands out from other insulating materials due to its unique combination of electrical insulation, flame resistance, and durability. Unlike traditional PVC electrical tapes, Mylar tape offers superior thermal stability and mechanical strength. Compared to paper-based insulation tapes, Mylar tape provides better resistance to moisture and chemical exposure, making it ideal for use in harsh environments.
Technical Specifications
| Property | Unit | Value | Test Method |
|---|---|---|---|
| Base Material | – | PET | – |
| Thickness | mm | 0.058 / 0.085 | – |
| Peel Adhesion (180°) | KN/m | 0.3 – 0.46 | GB/T 2792-1998 |
| Tensile Strength | N/10mm | 46 – 84 | GB/T 7753-1987 |
| Elongation | % | 109 – 127 | GB/T 7753-1987 |
| Breakdown Voltage | KV | 5 – 7.5 | GB/T 7752-1987 |
| Temperature Resistance | °C | 130 | – |
| Flame Retardant Grade | – | UL94 V-0 | – |
How to Choose the Right Mylar Tape
When selecting Mylar tape for a specific application, consider the following factors:
- Thickness: Choose a thickness that provides adequate insulation without adding excessive bulk.
- Adhesive Type: Select between solvent-based or rubber adhesive depending on the application’s durability and environmental exposure.
- Flame Retardancy: Ensure that the tape meets industry standards for fire safety, especially in electrical applications.
- Temperature Resistance: Verify that the tape can withstand the operational temperature of your equipment.
- Customization: Look for manufacturers that offer customizable colors, lengths, and widths to suit your project needs.
Installation and Usage Tips
To maximize the performance of Mylar tape, follow these best practices:
- Surface Preparation: Ensure the surface is clean, dry, and free from oil or dust before application.
- Application Pressure: Apply firm and even pressure to achieve optimal adhesion.
- Layering: For enhanced insulation, multiple layers may be applied while ensuring no air pockets are trapped.
- Storage Conditions: Store in a cool, dry place away from direct sunlight to maintain adhesive strength.
Conclusion
Mylar tape is an essential insulating material that offers excellent electrical insulation, flame retardancy, and mechanical durability. Whether for transformer wrapping, motor insulation, or electronic component protection, Mylar tape provides a reliable and high-performance solution for various industrial and electrical applications. With customizable specifications and superior quality, it is the ideal choice for professionals in the electrical and manufacturing industries.
For more details or to customize your Mylar tape order, [Click Here].
Products
Rich variety of adhesive tape