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China quality Electrical insulation filament adhesive tape is usually composed of three core functional layers.Fiberglass cloth offers extremely high mechanical strength, tear resistance, and heat resistance. Like a "steel skeleton," it prevents the tape from easily breaking, wrinkling, or shrinking during wrapping and subsequent use. It is generally made of alkali-free (Class E) fiberglass cloth, which has good insulation and thermal stability.Polyester film offers excellent electrical insulation properties. It features high dielectric strength, stable dielectric constant and dielectric loss, as well as excellent chemical resistance and moisture resistance.Pressure-sensitive adhesives enable tapes to self-adhere, allowing them to be securely wrapped around coils without additional treatment and achieving interlayer bonding to form a whole.The polyester film is firmly bonded to the fiberglass cloth through advanced coating or hot-pressing composite processes. Then, an adhesive is applied to the other side of the fiberglass cloth, and finally it is rolled into a strip.
| Item | Name | Unit | Value |
| Basic physical properties | Total thickness | mm | 0.08,0.10,0.13,0.15,0.18,0.20 |
| Width | mm | 10,12,15,20,25,50 etc | |
| Length | m/roll | 20,33,66,100 | |
| Structure | - | polyester film+fiberglass+adhesion | |
| Mechanical property | Tensile strength | N/cm | MD≥80 TD≥60 |
| Elongation | % | 3~5 | |
| Adhesion force | N/25mm | 18~25 |
Disclaimer: The performance figures, parameters, and features described are typical values under specific test conditions and may vary in actual applications. They do not constitute a warranty or guarantee of performance under all conditions. Users are responsible for verifying the suitability of the product for their intended application.
1.Depending on the material grade used (e.g., E, B, F), it can operate continuously at temperatures of 130℃, 155℃ or higher.
2.The tensile strength of fiberglass cloth and the flexibility of polyester film make the wrapping process smooth and less prone to deformation.
3.Polyester film offers high dielectric strength and insulation resistance, making it a reliable insulating barrier.
4.The raw materials themselves usually have good flame retardant properties.
5.This Electrical insulation filament adhesive tape can be used for wrapping and fixing the ends of coils, providing multi-layer wrapping for the leads of motors and transformers, offering reliable insulation and mechanical protection.
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